Specifications

GV200 @Track Air Interface Protocol
TRACGV200AN003 – 173 –
Tail Character 1 $ $
 <Device Type>: The type of the device.
 <Software Version>: The software version. The first two characters represent the major
version and the last two characters represent the minor version. For example: 010A means the
version 1.10.
 <Hardware Version>: The hardware version. The first two characters represent the major
version and the last two characters represent the minor version. For example: 010A means the
version 1.10.
3.3.3.8. +RESP:GTBAT
After the device receives the command AT+GTRTO to read the power supply information, it
will send the power supply information to the backend server by the message +RESP:GTBAT.
 +RESP:GTBAT,
Example:
+RESP:GTBAT,040100,135790246811220,,1,,0,4.40,0,0,20090214093254,11F0$
Parameter Length(byte) Range/Format Default
Protocol Version 6
XX0000 – XXFFFF,
X∈{'A' – 'Z','0' – '9'}
Unique ID 15 IMEI
Device Name <=20 '0' – '9' 'a' – 'z' 'A' – 'Z' '-' '_' '?'
Main Supply 1 0|1
Reserved 0
Backup Battery On 1 0|1
Backup Battery VCC <=4 0.0 – 4.5 V
Charging 1 0|1
LED On 1 0|1
Send Time 14 YYYYMMDDHHMMSS
Count Number 4 0000 – FFFF
Tail Character 1 $ $
3.3.3.9. +RESP:GTIOS
After the device receives the command AT+GTRTO to get all the IO ports status, it will send the
status to the backend server by the message +RESP:GTIOS.
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