GV300 @Track Air Interface Protocol GSM/GPRS/GPS Tracker GV300 @Track Air Interface Protocol Application Notes: TRACGV300AN002 Revision: 0.7 TRACGV300AN002 –0– http://www.queclink.com sales@queclink.
GV300 @Track Air Interface Protocol Document Title GV300 @Track Air Interface Protocol Version 0.7 Date 2011-08-29 Status Release Document Control ID TRACGV300AN002 k n i l l c a i t e n u e Q fid n o C General Notes Queclink offers this information as a service to its customers, to support application and engineering efforts that use the products designed by Queclink. The information provided is based upon requirements specifically provided to Queclink by the customers.
GV300 @Track Air Interface Protocol Contents Contents ............................................................................................................................................2 0. Revision history ............................................................................................................................4 1. Overview.......................................................................................................................................5 1.1.
GV300 @Track Air Interface Protocol 3.3.5. Buffer Report ..................................................................................................... 112 3.3.6. Transparent Data Transmission.......................................................................... 113 3.4. Heartbeat ......................................................................................................................... 114 3.5. Server Acknowledgement .................................................................
GV300 @Track Air Interface Protocol 0. Revision history Revision Date Author Description of change V0.1 2011-07-28 Eagle LIU Initial V0.2 2011-08-10 Eagle LIU 1) Change default value of in command AT+GTCFG to 0.0. 2) Change default value of in command AT+GTCFG to 003F. 3) Change value range of in command AT+GTCFG from 1-4 to 1-2. Remove setting for earphone channel.
GV300 @Track Air Interface Protocol 1. Overview 1.1. Scope of This Document The @Track Air Interface Protocol is a digital communication interface based on printable ASCII characters over SMS or GPRS which is used for all communication between the backend server and the terminal. The backend server sends a command to the terminal and then the terminal confirms with an acknowledgement message. If necessary, the terminal also sends report messages to the backend server.
GV300 @Track Air Interface Protocol 2. System Architecture k n i l l c a i t e n u e Q fid n o C The backend server can be accessed by many terminals and should have the following abilities: The backend server should be able to access the internet and listen to the connection originating from the terminal. The backend server should be able to support a TCP or UDP connection with the terminal. It should be able to receive data from the terminal and send data to the terminal.
GV300 @Track Air Interface Protocol 3. Message Description 3.1. Message Format All of the @Track Air Interface Protocol messages are composed of printable ASCII characters. Each message has the following format: k n i l l c a i t e n u e Q fid n o C Message format Message type AT+GTXXX=,,…$ Command +ACK:GTXXX,,,…$ Acknowledgement +RESP:GTXXX,,,…$ Report The entire message string ends with character ‘$’.
GV300 @Track Air Interface Protocol Command Acknowledgement Terminal Backend Server Report k n i l l c a i t e n u e Q fid n o C Report Report Figure 1: @Tracker Protocol messages flow TRACGV300AN002 –8–
GV300 @Track Air Interface Protocol 3.2. Command And Acknowledgement 3.2.1. Bearer Setting Information The command AT+GTBSI is used to configure the GPRS parameters.
GV300 @Track Air Interface Protocol Example: +ACK:GTBSI,060100,135790246811220,,0000,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z', '0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ Default k n i l l c a i t e n u e Q fid n o C $ : The protocol version that the terminal conform
GV300 @Track Air Interface Protocol 3.2.2. Backend Server Register Information The command AT+GTSRI is used to configure where and how to report all the messages, including the server information and the communication method between the backend server and the terminal. When the terminal is configured correctly, it should be able to report data to the backend server. ¾ AT+GTSRI= Example: AT+GTSRI=gv300,3,,1,116.226.44.17,7011,116.226.45.229,7012,+8613812341234,15,1,,,,,00 01$ AT+GTSRI=gv300,3,,1,some.
GV300 @Track Air Interface Protocol z 0: Stop reporting. z 1: TCP short-connection preferred mode. The connection is based on TCP protocol. The terminal connects to the backend server every time it needs to send data and will shut down the connection when the terminal finishes sending data. And if it fails to establish TCP connection to the backend server (both Main Server and Backup Server), it will try to send data via SMS to the SMS gateway. z 2: TCP short-connection forced mode.
GV300 @Track Air Interface Protocol when report mode is TCP long-connection mode or UDP mode. If set to 0, no heartbeat package message sending. : This defines whether the backend server should respond to the terminal with SACK message when receiving messages from the terminal. z 0: the backend server does not reply SACK message after receiving message from the terminal. z 1: the backend server replies SACK message when receiving any message from the terminal.
GV300 @Track Air Interface Protocol 3.2.3. Quick Start Setting The command AT+GTQSS is used to configure the GPRS parameter and backend server information in one command if all these settings are within 160 bytes, otherwise use AT+GTBSI and AT+GTSRI in two steps. ¾ AT+GTQSS= Example: AT+GTQSS=gv300,cmnet,,,3,,1,116.226.44.17,7011,116.226.45.
GV300 @Track Air Interface Protocol Example: +ACK:GTQSS,060100,135790246811220,,0002,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z', '0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ Default k n i l l c a i t e n u e Q fid n o C TRACGV300AN002 $ – 15 –
GV300 @Track Air Interface Protocol 3.2.4. Global Configuration The AT+GTCFG command is used to configure the global parameters. ¾ AT+GTCFG= Example: AT+GTCFG=gv300,123456,gv300,,,,,,,,,,,,,,,,,,,0003$ AT+GTCFG=gv300,,,1,123.
GV300 @Track Air Interface Protocol Tail Character 1 $ $ : Set to change the current password. : An ASCII string to represent the name of the device. : Enable/disable the odograph function to calculate the total mileage. The current mileage is included in every position report message. : The initial value for calculating the total mileage. : Whether to close GPS chip after retrieving GPS position information.
GV300 @Track Air Interface Protocol z Bit 11 for the power on +RESP:GTRTL z Bit 12 for the ignition report +RESP:GTIGN and +RESP:GTIGF z Bit 13 for the ignition on location report +RESP:GTIGL For each bit, set it to 1 to enable corresponding event report, 0 to disable. : Configure the working mode of the 15 pin on the connector. z 0: Analog input 1. z 1: Digital input 3. : Configure the working mode of power LED and GPS LED.
GV300 @Track Air Interface Protocol Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ $ k n i l l c a i t e n u e Q fid n o C TRACGV300AN002 – 19 –
GV300 @Track Air Interface Protocol 3.2.5. Digital Output The AT+GTOUT command is used to output specified wave shape from the digital output ports. Total three wave shapes is supported as below. If set to wave shape 1, the device will maintain this wave shape at the specified output port after power reset. The digital output 1 is a latched output. The final status of the output will be latched during power off. It supports only wave shape 1.
GV300 @Track Air Interface Protocol Password 4–6 '0' – '9' 'a' – 'z' 'A' – 'Z' gv300 Output1 Status 1 0|1 0 Reserved 0 Reserved 0 Output2 Status 1 0|1 0 Duration <=3 0 – 255(×100ms) 0 Toggle Times <=3 0 – 255 0 Output3 Status 1 0|1 0 Duration <=3 0 – 255(×100ms) 0 Toggle Times <=3 0 – 255 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Serial Number 4 0000 – FFFF Tail Character 1 $ k n i l l c a i t e n u e Q fid
GV300 @Track Air Interface Protocol X∈{'A' – 'Z','0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ $ k n i l l c a i t e n u e Q fid n o C TRACGV300AN002 – 22 –
GV300 @Track Air Interface Protocol 3.2.6. Digital Input Port Setting The command AT+GTDIS is used to configure the parameters of 4 digital input ports. Input is dedicated for ignition detection. The rest three inputs are customizable. If the logical status is changed on one of the three digital inputs ports, the device will report message +RESP:GTDIS to the backend server. Before using digital input 3, in AT+GTCFG command must be set to 1.
GV300 @Track Air Interface Protocol Serial Number 4 0000 – FFFF Tail Character 1 $ $ : ID of the ignition detection port. : the digital input port ID. : the sampling period of the non-interruptible input port. : Enable or disable the interrupt input. z 0: Disable z 1: Enable : The time for interruptible input port debouncing.
GV300 @Track Air Interface Protocol 3.2.7. Input/Output Port Binding This command is used to configure the user defined output-port action triggered by input ports. If the IO combination is set and the corresponding condition appears, the device will output specified wave shape on the specified output port. Otherwise, the device will restore the initial status of the specified output port.
GV300 @Track Air Interface Protocol ports. Each bit, from bit 0 to bit 3, represents the logical status of the corresponding input port to trigger the IOB event. Set to 1 to use enable status as the trigger condition and 0 to use disable status. Only when the logical status of all the input ports in one IO binding meets the trigger condition is the IOB event triggered.
GV300 @Track Air Interface Protocol 3.2.8. External Power Supply Monitoring The command AT+GTEPS is used to configure the parameters of external power supply monitoring. The device will measure and monitor the voltage of the external power supply. If the voltage of the external power supply matches the predefined alarm condition, the device will report an alarm message +RESP:GTEPS to the backend server to notify the status of the external power supply.
GV300 @Track Air Interface Protocol z 2: Enable the external power supply monitoring. If the current voltage is outside the range of (, ), the +RESP:GTEPS alarm will be triggered. : The lower limit to the voltage of the external power supply to trigger the alarm. : The upper limit to the voltage of the external power supply to trigger the alarm. : The sampling period to measure the external power supply.
GV300 @Track Air Interface Protocol 3.2.9. Analog Input Port Setting The command AT+GTAIS is used to configure the parameters of analog input ports. Before using analog input 1, in AT+GTCFG command must be set to 0. Make sure there is analog signal connected to the corresponding analog input port before you enable this function to that port.
GV300 @Track Air Interface Protocol Output Active 1 0|1 Duration <=3 0～255(×100ms) 0 Toggle Times <=3 0～255 0 Sync with FRI 1 0|1 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Serial Number 4 0000～FFFF Tail Character 1 $ k n i l l c a i t e n u e Q fid n o C $ : The analog input port ID. : Working mode of the analog input alarm (+RESP :GTAIS). z 0: Disable analog input alarm.
GV300 @Track Air Interface Protocol +ACK:GTMAI,060100,135790246811220,,0008,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z','0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Default k n i l l c a i t e n u e Q fid n o C Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ TRACGV300AN002 $ – 31 –
GV300 @Track Air Interface Protocol 3.2.10. Fixed Report Information The command AT+GTFRI is used to configure the parameters of scheduled report (+RESP:GTFRI).
GV300 @Track Air Interface Protocol : The working mode of the fixed report. z 0: Disable this function. z 1: Fixed Timing Report. The positional report message is sent to the backend server periodically according to the parameter . z 2: Fixed Distance Report.
GV300 @Track Air Interface Protocol the unit is second. If in AT+GTSRI is set to force on SMS, this should be greater than 15 seconds. : the specified distance to send the position information when is 2. Unit: meter. : the specified length to send the position information when is 3 and 4. Unit: meter. : The threshold to determine whether the device is turning around a corner. 0 to disable the corner report.
GV300 @Track Air Interface Protocol 3.2.11. Geo-Fence Information The command AT+GTGEO is used to configure the parameters of Geo-Fence. (Geo-Fence is a virtual perimeter on a geographic area using a location-based service, so that when the geofencing terminal enters or exits the area a notification is generated. The notification can contain information about the location of the terminal and may be sent to the backend server.) ¾ AT+GTGEO= Example: AT+GTGEO=gv300,0,3,121.412248,31.
GV300 @Track Air Interface Protocol z 2: Exiting the zone. The report will be generated only when the terminal exits from the Geo-Fence. z 3: Both entering and exiting. : The longitude of a point which is defined as the center of the Geo-Fence circular region. The format is “(–)xxx.xxxxxx” and the value range is from “–180.000000” to “180.000000”. The unit is degree. West longitude is defined as negative starting with minus “–” and east longitude is defined as positive without “+”.
GV300 @Track Air Interface Protocol 3.2.12. Tow Alarm Configuration The AT+GTTOW command is used to configure the motion sensor and the parameters for tow alarm.
GV300 @Track Air Interface Protocol z 0: Disable the tow alarm z 1: Enable the tow alarm : A time parameter to judge whether the device is considered being towed after the engine off. If the motion sensor doesn’t detect stillness within the specified time after engine off, the device is being towed. : After engine off and stillness detected, if the motion sensor detects moving again, the device turns into a state called fake tow.
GV300 @Track Air Interface Protocol 3.2.13. Speed Alarm This command is used to set a speed-alarm range for the terminal. According to the working mode, the terminal will report message +RESP:GTSPD to the backend server when its moving speed is outside or inside of the range.
GV300 @Track Air Interface Protocol Tail Character 1 $ $ : The working mode of the speed alarm. z 0: Disable speed alarm. z 1: Report speed alarm if the current speed is within the speed range defined by and . z 2: Report speed alarm if the current speed is outside the speed range defined by and . z 3: Report speed alarm only one time if the current speed is within or outside the speed range defined by and .
GV300 @Track Air Interface Protocol 3.2.14. SOS Function This command is used to configure the specified input port for emergency. When an emergency occurs, the end user can use this input port to trigger the emergency call and report position message +RESP:GTSOS to the backend server. A specified wave shape can be configured to output on specified output port. The volumes for both the microphone and speaker during the SOS phone call are configurable.
GV300 @Track Air Interface Protocol : the emergency phone number. : Set the volume of the microphone, 0 means disable microphone. : Set the volume of the speaker, 0 means disable speaker.
GV300 @Track Air Interface Protocol 3.2.15. Voice Monitoring The command AT+GTMON is used to set stealthy voice monitoring. It supports both outgoing call and incoming call.
GV300 @Track Air Interface Protocol The acknowledgment message of AT+GTMON command: ¾ +ACK:GTMON, Example: +ACK:GTMON,060100,135790246811220,,000E,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{‘A’ – ‘Z’,’0’ – ‘9’} Default k n i l l c a i t e n u e Q fid n o C Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ TRACGV30
GV300 @Track Air Interface Protocol 3.2.16. Excessive Idling Detection The command AT+GTIDL is used to detect the engine excessive idling (stationary while ignition on). To use this command, the ignition signal must be connected to the device. When the device detects that the vehicle is entering into the idle status, it will report event message +RESP:GTIDN to the backend server. When the vehicle leaves the idle status, the device will report event message +RESP:GTIDF to the backend server.
GV300 @Track Air Interface Protocol long, it is considered to be in idling status.
GV300 @Track Air Interface Protocol 3.2.17. Harsh Behavior Monitoring The command AT+GTHBM is used to monitor the harsh behavior of drive with GPS. Two harsh behaviors are monitored, the harsh braking and the harsh acceleration. According the speed read from GPS, 3 levels of speed are defined including high speed, medium speed and low speed. For each speed level, 2 thresholds of speed change are defined to determine the harsh braking and harsh acceleration.
GV300 @Track Air Interface Protocol Toggle Times <=3 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Serial Number 4 0000 – FFFF Tail Character 1 $ 0 – 255 0 $ k n i l l c a i t e n u e Q fid n o C : Enable or disable this function.
GV300 @Track Air Interface Protocol the harsh behavior is detected. If set to 0, no output wave.
GV300 @Track Air Interface Protocol 3.2.18. Time Adjustment The command AT+GTTMA is used to adjust the local time of the device remotely. Upon this command, the device will set the time zone and daylight saving accordingly. Then it will use the given UTC time to adjust the local time based on the time zone and daylight saving setting. This command will also trigger the device to start GPS. After a successful GPS fix, the device will update the local time with the GPS UTC time again.
GV300 @Track Air Interface Protocol +ACK:GTTMA,060100,135790246811220,,0011,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{‘A’ – ‘Z’,’0’ – ‘9’} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Default k n i l l c a i t e n u e Q fid n o C Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ TRACGV300AN002 $ – 51 –
GV300 @Track Air Interface Protocol 3.2.19. Outside Working Hours To protect the privacy of the driver when they are off duty, the device could be configured to report empty location information during the outside working hours. The command AT+GTOWH is used to define the working hours and the working mode to protect the privacy. When this function is enabled, the device will report empty latitude, empty longitude, empty LAC and empty Cell ID in all the report messages except for +RESP:GTSOS.
GV300 @Track Air Interface Protocol : Working mode. z 0: Disable this function. z 1: Manual mode. By using the equipment connected to the specified digital input, the driver manually enable the time checking. If the device finds it is outside the working hours, it will hide the location information in the report messages. Otherwise report normally. z 2: Full manual mode.
GV300 @Track Air Interface Protocol Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ $ k n i l l c a i t e n u e Q fid n o C TRACGV300AN002 – 54 –
GV300 @Track Air Interface Protocol 3.2.20. Protocol Watchdog The AT+GTDOG command is used to reboot the device in a time based manner or upon ignition. This helps the device avoid working in an exceptional status for a long time. Besides these two automatically reboot method, the device also supports to use the digital input to trigger the reboot manually.
GV300 @Track Air Interface Protocol means no report, 1 to report. If this is enabled, the device will make a real-time location before sending the message in order to send it with the current location information. : ID of the digital input port which is used to trigger the manually reboot. 0 means do not use manual reboot. Only digital input port 1 and 2 are supported.
GV300 @Track Air Interface Protocol 3.2.21. Auto-unlock PIN The command AT+GTPIN is used to configure the auto-unlock PIN function of the device. Some operators offer SIM card with PIN code protection by default. To make the device work with the PIN-protected SIM card, use this command to let the device auto-unlock the SIM PIN with the pre-set PIN code.
GV300 @Track Air Interface Protocol Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ $ k n i l l c a i t e n u e Q fid n o C TRACGV300AN002 – 58 –
GV300 @Track Air Interface Protocol 3.2.22. Real Time Operation The command AT+GTRTO is used to retrieve information from the terminal or control the terminal to execute certain actions.
GV300 @Track Air Interface Protocol The acknowledgment message of AT+GTRTO command: ¾ +ACK:GTRTO, Example: +ACK:GTRTO,060100,135790246811220,,IOS,0015,20090214093254,11F1$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z','0' – '9'} k n i l l c a i t e n u e Q fid n o C Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Sub Command <=6 Sub Command String Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF
GV300 @Track Air Interface Protocol 3.2.23. Serial Port Setting The command AT+GTURT is used to configure the parameter of the serial port to support data exchange between the device and the external equipment connected through the serial port.
GV300 @Track Air Interface Protocol 9 33900 10 38400 11 57600 12 115200 The other parameters for serial port communication are set internally as below.
GV300 @Track Air Interface Protocol 3.2.24. Transparent Data Transmission The command AT+GTDAT is used to transfer data between the backend server and the equipment connected to the local serial port of the device. Data to the backend server is wrapped into message +RESP:GTDAT and sent to the backend server while data to the equipment is directly output to the serial port without the @Tracker protocol stuffing. All data is transparent to the device.
GV300 @Track Air Interface Protocol Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{‘A’ – ‘Z’,’0’ – ‘9’} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Default k n i l l c a i t e n u e Q fid n o C Count Number 4 0000 – FFFF Tail Character 1 $ TRACGV300AN002 $ – 64 –
GV300 @Track Air Interface Protocol 3.2.25. Hour Meter Counter The command AT+GTHMC is used to measure the accumulated time of use with each actuation of the ignition on. To use this command, the ignition signal must be connected to the device. When the device sends +RESP:GTFRI, +RESP:GTIGN or +RESP:GTIGF message, will be involved into these reports.
GV300 @Track Air Interface Protocol Example: +ACK:GTHMC,060100,135790246811220,,0018,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z','0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ Default k n i l l c a i t e n u e Q fid n o C TRACGV300AN002 $ – 66 –
GV300 @Track Air Interface Protocol 3.2.26. Jamming Detection The command AT+GTJDC is used to configure the parameter for jamming detection. When the detection condition is matched, the device will report +RESP:GTJDR event message to the backend server.
GV300 @Track Air Interface Protocol Example: +ACK:GTJDC,060100,135790246811220,,0019,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z', '0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Serial Number 4 0000 – FFFF Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ Default k n i l l c a i t e n u e Q fid n o C TRACGV300AN002 $ – 68 –
GV300 @Track Air Interface Protocol 3.3. Report This section defines the formats of the report messages. Due to the max length of SMS message (160 bytes), it is recommended to carefully set the in AT+GTCFG to limit the length of the report which contains GPS position information if you choose SMS as the transmit method. Otherwise the report will be truncated to fit the length of SMS message. 3.3.1.
GV300 @Track Air Interface Protocol ¾ +RESP:GTHBM, If harsh behavior is detected, this message will be sent to the backend server. All of the above report messages have the same format as shown below. Example: +RESP:GTTOW,060100,135790246811220,,,10,1,1,4.3,92,70.0,121.354335,31.222073,200902 14013254,0460,0000,18d8,6141,00,2000.0,20090214093254,11F0$ +RESP:GTDIS,060100,135790246811220,,,20,1,1,4.3,92,70.0,121.354335,31.222073,2009021 4013254,0460,0000,18d8,6141,00,2000.
GV300 @Track Air Interface Protocol Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Report ID/Report Type 2 X(0-4)X(0-3) Number 1 0–1 GPS Accuracy <=2 0|1 – 50 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.xxxxxx GPS UTC Time 14 YYYYMMDDHHMMSS MCC 4 0XXX MNC 4 0XXX LAC 4 XXXX Cell ID 4 XXXX Reserved 2 00 Mileage <=9 0.0 – 4294967.
GV300 @Track Air Interface Protocol Report type has different meanings in different messages as below. z In the +RESP:GTDIS report message generated by the digital input 0: The current logical status of the input port is disable status. 1: The current logical status of the input is enable status. z In the +RESP:GTIOB report message generated by bound IO 0: The current logical status of the bound IO does not meet the alarm condition.
GV300 @Track Air Interface Protocol Example: +RESP:GTFRI,060100,135790246811220,,,00,1,1,4.3,92,70.0,121.354335,31.222073,2009021 4013254,0460,0000,18d8,6141,00,2000.0,12345:12:34,,,80,,,,,20090214093254,11F0$ +RESP:GTFRI,060100,135790246811220,,,00,2,1,4.3,92,70.0,121.354335,31.222073,2009021 4013254,0460,0000,18d8,6141,00,0,4.3,92,70.0,121.354335,31.222073,20090101000000,0460,0 000,18d8,6141,00,2000.
GV300 @Track Air Interface Protocol Percentage Reserved 0 Reserved 0 Reserved 0 Reserved 0 Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ k n i l l c a i t e n u e Q fid n o C $ : The voltage of the external power supply.
GV300 @Track Air Interface Protocol ¾ +RESP:GTAIS, If the analog input alarm is enabled by the command AT+GTAIS, the device will send the message +RESP:GTAIS to the backend server when analog input voltage enters the alarm range. All of the above report messages have the same format as shown below. Example: +RESP:GTEPS,060100,135790246811220,,13500,00,1,1,4.3,92,70.0,121.354335,31.222073,20 090214013254,0460,0000,18d8,6141,00,2000.0,20090214093254,11F0$ +RESP:GTAIS,060100,135790246811220,,1980,11,1,1,4.
GV300 @Track Air Interface Protocol Tail Character 1 $ $ < Analog Input VCC>: The value of the analog input voltage. When the voltage of the analog input meets the alarm condition as set by command AT+GTEPS or AT+GTAIS, the device will send the current analog input voltage with +RESP:GTEPS or +RESP:GTAIS message to the backend server : The report ID and the type of the report type in hex format. 4 high bits mean report ID and 4 low bits means report type.
GV300 @Track Air Interface Protocol Latitude <=10 (–)xx.xxxxxx GPS UTC Time 14 YYYYMMDDHHMMSS MCC 4 0XXX MNC 4 0XXX LAC 4 XXXX Cell ID 4 XXXX Reserved 2 00 Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ 00 k n i l l c a i t e n u e Q fid n o C $ : The phone number of the incoming call which triggers the report message.
GV300 @Track Air Interface Protocol 3.3.2. Device Information Report If the device information report function is enabled by the command AT+GTCFG, the device will send the device information by the message +RESP:GTINF to the backend server periodically. ¾ +RESP:GTINF, Example: +RESP:GTINF,060100,135790246811220,,16,898600810906F8048812,16,0,1,12000,,4.
GV300 @Track Air Interface Protocol Daylight Saving 1 0|1 Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ $ : The current motion state of the device. z 16 (Tow): The device attached vehicle is ignition off and it is towed. z 1A (Fake Tow): The device attached vehicle is ignition off and it might be towed. z 11 (Ignition Off Rest): The device attached vehicle is ignition off and it is motionless.
GV300 @Track Air Interface Protocol : The voltage of the analog input 2. : A bitwise hex integer to represents the logical status of the digital input. From the lowest bit to the highest bit, each bit represents ignition detection and one of the digital inputs 1 – 3 respectively. For each bit, 0 means disable status, 1 means enable status. : A bitwise hex integer to represents the logical status of the digital output.
GV300 @Track Air Interface Protocol 3.3.3. Report of Real Time Querying 3.3.3.1. +RESP:GTGPS After the device receives the command AT+GTRTO to read the GPS information, it will send the GPS information to the backend server by the message +RESP:GTGPS.
GV300 @Track Air Interface Protocol Example: +RESP:GTALL,060100,135790246811220,,BSI,cmnet,,,,,,,SRI,3,1,1,116.226.44.17,7011,116.2 26.45.229,7012,+8613812341234,15,1,,,,,CFG,gv300,gv300,1,123.4,0,,0000,1,0000,02FF,0,0,1, 300,0,3,1,,,,TOW,1,10,0,120,1,0,5,10,200,10,4,,,,,,,,,EPS,2,250,12000,3,2,1,1,0,0,1,,,,DIS,0,2,,,1 ,1,4,,2,1,2,,3,3,,,,,,,IOB,0,F,A,3,1,0,8,3,,,,,1,0,0,0,0,0,0,0,,,,,2,0,0,0,0,0,0,0,,,,,3,0,0,0,0,0,0,0,,,,,T MZ,–0330,0,,,,,FRI,1,1,,1,1000,2300,180,30,1000,1000,,0,600,,,,,GEO,0,3,121.
GV300 @Track Air Interface Protocol SMS Gateway <=20 Heartbeat Interval <=3 0|5 – 360min SACK Enable 1 0|1 Reserved 0 Reserved 0 Reserved 0 Reserved 0 CFG 3 CFG Password 4 – 6 '0' – '9' 'a' – 'z' 'A' – 'Z' Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' ODO Enable 1 0|1 ODO Initial Mileage <=9 0.0 – 4294967.
GV300 @Track Air Interface Protocol Engine Off to Tow <=2 5 – 15min Fake Tow Delay <=2 0 – 10min Tow Interval <=5 30 – 86400sec Tow Output ID 1 0–3 Tow Output Status 1 0|1 Tow Output Duration <=3 0 – 255(×100ms) Tow Output Toggle Times <=3 0 – 255 Rest Duration <=3 0 – 255(×15sec) Motion Duration <=2 0 – 10(×100ms) Motion Threshold 1 2–4 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 EPS 3 EPS Mode 1 0|1|2 Min Thres
GV300 @Track Air Interface Protocol Reserved 0 Reserved 0 DIS 3 DIS DIS Ignition Detection 1 0 0 Sample Period <=2 0|1 – 12(×2s) Reserved 0 Reserved 0 Input ID 1 1 1 Enable 1 0|1 Debounce Time <=2 0 – 20(×10ms) Reserved 0 Input ID 2 1 2 Enable 1 0|1 Debounce Time <=2 0 – 20(×10ms) Reserved 0 Input ID 3 1 3 Sample Period <=2 0|1 – 12(×2s) k n i l l c a i t e n u e Q fid n o C 1 2 3 Reserved Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 IOB
GV300 @Track Air Interface Protocol Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Reserved 0 Reserved 0 Reserved 0 Reserved 0 IOB ID1 1 1 Input Mask 1 0–F Trigger Mask 1 0–F Input Sample Period <=2 0|1 – 12(×2s) Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Reserved 0 Reserved 0 Reserved 0 Reserved 0 IOB ID2 1 2 Input Mask 1 0–F Trigger Mask 1 0–F Input Sample Period <=2 0|1 – 12(×2s) Output ID 1
GV300 @Track Air Interface Protocol IOB ID3 1 3 Input Mask 1 0–F Trigger Mask 1 0–F Input Sample Period <=2 0|1 – 12(×2s) Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Reserved 0 Reserved 0 Reserved 0 3 k n i l l c a i t e n u e Q fid n o C Reserved TMZ 3 TMZ Time Zone 5 –|+HHMM Daylight Saving 1 0|1 Reserved 0 Reserved 0 Reserved 0 Reserved 0 FRI 3 FRI Mode 1 0–4 Discard No Fix <=2 0|1 Reserved 0 Period
GV300 @Track Air Interface Protocol Reserved 0 Corner Report <=3 0 | 40 – 100 IGF Report Interval <=5 300-86400sec Reserved 0 Reserved 0 Reserved 0 Reserved 0 GEO 3 GEO GEO GEO ID0 1 0 0 Mode 1 0–3 Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.
GV300 @Track Air Interface Protocol Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Reserved 0 Reserved 0 Reserved 0 Reserved 0 GEO ID2 1 2 Mode 1 0–3 Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.
GV300 @Track Air Interface Protocol Reserved 0 Reserved 0 Reserved 0 Reserved 0 GEO ID4 1 4 Mode 1 0–3 Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.
GV300 @Track Air Interface Protocol Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 SOS 3 SOS Mode 1 0–4 Digital Input ID 1 0|1– 3 SOS Number <=20 Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 SOS Microphone 2 0 – 10 SOS Speaker 1 0–7 Reserved 0 Reserved 0 MON 3 MON Mode 1 0–3 Stealthy Phone Number <=20 Stealthy Microphone 2 0 – 15 Stealthy Speaker 1
GV300 @Track Air Interface Protocol PIN 3 PIN Enable Auto-unlock PIN 1 0|1 PIN 1 '0' – '9' Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 OWH 3 OWH Mode 1 0|1|2|3 Day of Work <=2 0 – 7F Working Hours Start1 4 HHMM Working Hours End1 4 HHMM Working Hours Start2 4 HHMM Working Hours End2 4 HHMM Reserved 0 Reserved 0 Digital Input ID 1 0–3 Digital Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Reserved
GV300 @Track Air Interface Protocol Time 4 HHMM Reserved 0 Report Before Reboot 1 0|1 Input ID 1 0|1|2 Reserved 0 Reserved 0 Reserved 0 Reserved 0 AIS 3 AIS AIS Analog Input ID1 1 1 1 Mode 1 0|1|2 Min Threshold <=4 250 – 2700 mV Max Threshold <=4 250 – 2700 mV Sample Period <=2 0|1 – 12(×2s) Reserved 0 Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Sync with FRI 1 0|1 Reserved 0 Reserved 0 Analog Input ID2
GV300 @Track Air Interface Protocol Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Sync with FRI 1 0|1 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 IDL 3 IDL Mode 1 0|1 Time to Stationary 1 1 – 5 min Time to Movement 1 1 – 5 min Reserved 0 Reserved 0 Reserved 0 Reserved 0 Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Reserved 0 Reserved 0 Reserved 0 Reserved 0 HMC 3 HMC Hou
GV300 @Track Air Interface Protocol Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 HBM 3 HBM HBM Enable 1 0|1 Reserved 0 Reserved 0 High Speed <=3 100 – 400km/h ∆Vhb <=3 0 – 100km/h ∆Vha <=3 0 – 100km/h Reserved 0 Medium Speed <=3 100 – 400km/h ∆Vmb <=3 0 – 100km/h ∆Vma <=3 0 – 100km/h Reserved 0 Reserved 0 ∆Vlb <=3 0 – 100km/h ∆Vla <=3 0 – 100km/h Reserved 0 Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Tog
GV300 @Track Air Interface Protocol URT 3 URT URT Mode 1 0|1 Baudrate Index <=2 1 – 12 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Reserved 0 JDC 3 JDC JDC Mode 1 0|1 0 Signal Threshold <=3 0 – 255 10 C1 Threshold <=3 0 – 255 40 Reserved 0 Reserved 0 Reserved 0 Reserved 0 Output ID 1 0–3 Output Status 1 0|1 Duration <=3 0 – 255(×100ms) Toggle Times <=3 0 – 255 Reserved 0 Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 –
GV300 @Track Air Interface Protocol Example: +RESP:GTCID,060100,135790246811220,,898600810906F8048812,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z','0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' ICCID 20 Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ Default k n i l l c a i t e n u e Q fid n o C $ 3.3.3.4.
GV300 @Track Air Interface Protocol 31 >-51 99 Unknown : The quality of the GSM signal. The range is 0-7, 99 for unknown. 3.3.3.5. +RESP:GTVER After the device receives the command AT+GTRTO to get the versions (including software version and hardware version), it will send the version information to the backend server by the message +RESP:GTVER.
GV300 @Track Air Interface Protocol Example: +RESP:GTBAT,060100,135790246811220,,1,12000,,4.40,0,0,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z','0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' External Power Supply 1 0|1 External Power VCC <=5 0 – 28000mV Reserved 0 Backup Battery VCC <=4 0.0 – 4.
GV300 @Track Air Interface Protocol Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ $ 3.3.3.8. +RESP:GTTMZ After the device receives the command AT+GTRTO to get the time zone settings, it will send the time zone settings by the message +RESP:GTTMZ to the backend server.
GV300 @Track Air Interface Protocol 3.3.4. Event Report The following event reports are triggered when certain events occur. +RESP:GTPNA: Power on report +RESP:GTPFA: Power off report +RESP:GTMPN: The report for connecting main power supply +RESP:GTMPF: The report for disconnecting main power supply +RESP:GTBTC: Backup battery starts charging report +RESP:GTSTC: Backup battery stop charging report.
GV300 @Track Air Interface Protocol ¾ ¾ ¾ ¾ +RESP:GTMPN, +RESP:GTMPF, +RESP:GTBTC, +RESP:GTJDR, Example: +RESP:GTMPN,060100,135790246811220,,0,4.3,92,70.0,121.354335,31.222073,2009021401 3254,0460,0000,18d8,6141,00,20090214093254,11F0$ +RESP:GTMPF,060100,135790246811220,,0,4.3,92,70.0,121.354335,31.222073,20090214013 254,0460,0000,18d8,6141,00,20090214093254,11F0$ +RESP:GTBTC,060100,135790246811220,,0,4.3,92,70.0,121.354335,31.
GV300 @Track Air Interface Protocol ¾ +RESP:GTSTC, Example: +RESP:GTSTC,060100,135790246811220,,,0,4.3,92,70.0,121.354335,31.222073,20090214013 254,0460,0000,18d8,6141,00,20090214093254,11F0$ Parameter Length(byte) Range/Format Protocol Version 6 XX0000 – XXFFFF, X∈{'A' – 'Z','0' – '9'} Unique ID 15 IMEI k n i l l c a i t e n u e Q fid n o C Device Name <=10 Reserved 0 GPS Accuracy <=2 0 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.
GV300 @Track Air Interface Protocol X∈{'A' – 'Z','0' – '9'} Unique ID 15 IMEI Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Backup Battery VCC <=4 0.0 – 4.5 V GPS Accuracy <=2 0 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.
GV300 @Track Air Interface Protocol Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.xxxxxx GPS UTC Time 14 YYYYMMDDHHMMSS MCC 4 0XXX MNC 4 0XXX LAC 4 XXXX Cell ID 4 XXXX Reserved 2 00 Send Time 14 YYYYMMDDHHMMSS Count Number 4 0000 – FFFF Tail Character 1 $ ¾ k n i l l c a i t e n u e Q fid n o C 00 $ : The current movement state of the device.
GV300 @Track Air Interface Protocol External GPS Antenna 1 0|1 GPS Accuracy <=2 0 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.
GV300 @Track Air Interface Protocol Stealthy Microphone <=2 0 – 15 5 Stealthy Speaker 1 0–7 0 GPS Accuracy <=2 0 0, Last known Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.
GV300 @Track Air Interface Protocol Duration of Ignition Off <=6 0 – 999999 sec GPS Accuracy <=2 0 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.xxxxxx GPS UTC Time 14 YYYYMMDDHHMMSS MCC 4 0XXX MNC 4 0XXX LAC 4 XXXX Cell ID 4 XXXX Reserved 2 00 Mileage <=9 0.0 – 4294967.
GV300 @Track Air Interface Protocol Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z' Duration of Ignition On <=6 0 – 999999 sec GPS Accuracy <=2 0 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.xxxxxx GPS UTC Time 14 YYYYMMDDHHMMSS MCC 4 0XXX MNC 4 0XXX LAC 4 XXXX Cell ID 4 XXXX Hour Meter Count 2|11 00|HHHHH:MM:SS Mileage <=9 0.0 – 4294967.
GV300 @Track Air Interface Protocol Device Name <=10 Reserved 0 Reserved 0 GPS Accuracy <=2 0 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.xxxxxx GPS UTC Time 14 YYYYMMDDHHMMSS MCC 4 0XXX MNC 4 0XXX LAC 4 XXXX Cell ID 4 XXXX Reserved 2 00 Mileage <=9 0.0 – 4294967.
GV300 @Track Air Interface Protocol GPS Accuracy <=2 0 Speed <=5 0.0 – 999.9 km /h Heading <=3 0 – 359 Altitude <=8 (–)xxxxx.x m Longitude <=11 (–)xxx.xxxxxx Latitude <=10 (–)xx.xxxxxx GPS UTC Time 14 YYYYMMDDHHMMSS MCC 4 0XXX MNC 4 0XXX LAC 4 XXXX Cell ID 4 XXXX Reserved 2 00 Mileage <=9 0.0 – 4294967.
GV300 @Track Air Interface Protocol 3.3.5. Buffer Report If the buffer report function is enabled by command AT+GTSRI, the terminal will save the report messages in a local buffer when the following occurs. GSM network is not available Failed to activate GPRS context for the TCP or UDP connection. Failed to establish the TCP connection with the backend server. These messages will be sent to the backend server when connection to the server recovers again.
GV300 @Track Air Interface Protocol 3.3.6. Transparent Data Transmission The device supports to transparently transfer data between the backend server and the equipment connected to its serial port. If the equipment needs to send data to the backend server, it can send command AT+GTDAT with the data to the serial port. The device will then wrap the data into +RESP:GTDAT message and send it to the backend server.
GV300 @Track Air Interface Protocol 3.4. Heartbeat Heartbeat is used to maintain the contact between the device and the backend server if communicating via GPRS. The heartbeat package is sent to the backend server at the interval defined by in AT+GTSRI command.
GV300 @Track Air Interface Protocol 3.5. Server Acknowledgement If server acknowledgement is enabled by AT+GTSRI command, the backend server should reply to the device whenever it receives a message from the device.
GV300 @Track Air Interface Protocol Appendix: Message Index Command and ACK AT+GTBSI +ACK:GTBSI AT+GTSRI +ACK:GTSRI AT+GTQSS +ACK:GTQSS AT+GTCFG +ACK:GTCFG AT+GTOUT +ACK:GTOUT AT+GTDIS +ACK:GTDIS AT+GTIOB +ACK:GTIOB AT+GTEPS +ACK:GTEPS AT+GTAIS +ACK:GTAIS AT+GTFRI +ACK:GTFRI AT+GTGEO +ACK:GTGEO AT+GTTOW +ACK:GTTOW AT+GTSPD +ACK:GTSPD AT+GTSOS +ACK:GTSOS AT+GTMON +ACK:GTMON AT+GTIDL +ACK:GTIDL AT+GTHBM +ACK:GTHBM AT+GTTMA +ACK:GTTMA AT+GTOWH +ACK:GTOWH AT+GTDOG +ACK:GTDOG k n i l l c a i t e n u e Q fid
GV300 @Track Air Interface Protocol AT+GTPIN +ACK:GTPIN AT+GTRTO +ACK:GTRTO AT+GTURT +ACK:GTURT AT+GTDAT +ACK:GTDAT AT+GTHMC +ACK:GTHMC AT+GTJDC +ACK:GTJDC k n i l l c a i t e n u e Q fid n o C Position Related Report +RESP:GTTOW +RESP:GTEPS +RESP:GTDIS +RESP:GTIOB +RESP:GTFRI +RESP:GTGEO +RESP:GTSPD +RESP:GTSOS +RESP:GTRTL +RESP:GTLBC +RESP:GTDOG +RESP:GTAIS +RESP:GTIGL +RESP:GTHBM Device Information Report +RESP:GTINF Report for Querying +RESP:GTGPS +RESP:GTALL +RESP:GTCID +RESP:GTCSQ +RESP:G
GV300 @Track Air Interface Protocol Event Report +RESP:GTPNA +RESP:GTPFA +RESP:GTMPN +RESP:GTMPF +RESP:GTBTC +RESP:GTSTC +RESP:GTBPL +RESP:GTSTT +RESP:GTANT +RESP:GTMON +RESP:GTPDP +RESP:GTIGN +RESP:GTIGF +RESP:GTIDN +RESP:GTIDF +RESP:GTJDR k n i l l c a i t e n u e Q fid n o C Transparent Data Transmission +RESP:GTDAT Heartbeat +ACK:GTHBD +SACK:GTHBD Server Acknowledgement +SACK TRACGV300AN002 – 118 –
