User's Manual
Table Of Contents
- Contents
 - Version History
 - 1 Introduction
 - 2 Key features
 - 3 Terminal dimensions
 - 4 Installation
 - 5 Interface introduction
 - 6 Application Interface
 - 7 Electrical, Reliability and Radio Characteristics
 - 8 Software/ Firmware Upgrade
 - Appendix
 
        Smart Machine Smart Decision  
T5320+G_User Guide_V1.01 26 2013-04-15 
Test Command  Responses 
AT+CWIIC=?  OK 
Write Command  Responses 
OK AT+CWIIC= 
<addr>,<reg>,<data>,<len> 
ERROR 
Defined values 
<addr> 
Device address. Input format must be hex, such as 0xFF. 
<reg> 
Register address. Input format must be hex, such as 0xFF. 
<len> 
Read length. Range: 1-4; unit: byte. 
<data> 
Data written. Input format must be hex, such as 0xFF – 0xFFFFFFFF. 
Examples 
AT+CWIIC=0x0F, 0x0F, 0x1234, 2 
+CWIIC: 0x1234 
OK 
6.8  GPS Interface 
T5320+G supports both A-GPS and S-GPS, and then provides three operating modes: mobile-assisted mode, 
mobile-based mode and standalone mode. A-GPS includes mobile-assisted and mobile-based mode. 
6.8.1  Technical specification 
Tracking sensitivity -157 dBm 
Cold-start sensitivity -144 dBm 
Accuracy (Open Sky) <2m (CEP50) 
TTFF (Open Sky) Hot start <1s  Cold start 35s(good signal)/ 100s(weak signal) 
Receiver Type 16-channel, GPS L1 Frequency (1575.42MHz), C/A Code 
Update rate       Default 1 Hz 
GPS data format NMEA-0183 
GPS antenna Passive/Active antenna 
6.8.2  Antenna type 
.The recommended antenna specifications are showed in following table: 
Table 16: antenna choosing consideration 










