1) Position Mode: GPS(With GPS SiRF-Star III chipset, OEM single board 20 channel GPS receiver, C/A code: 1.023 MHz, chip TXCO Casing: Fully shielded )
2) Data Communication Mode: GPRS(GPRS class B, class 10 )
3) Frequency Range (MHz): 850/900/1800/1900MHz(optional)
4) Return Data Interval: 5~9999 Seconds
5) Timing Position Report.: No less than 20 Seconds, no higher than 5000 seconds
6) Data Packet Upload: No less than 10 Seconds
7) Position Data Return Mode:
A. Timely Data Packet uploads to server
B. Automatically Return Request Return with Manpower
8) Supply voltage: 12V DC or 24V DC
9) Supply range: 10~30V DC

10) Stand- by current: ??150mA
11) Static current: ?? 30mA
12) Peak Current: ?? 300mA
13) Work Temperature: -20~70
14) Working humidity: 20% ~ 80%
15) Outlay Li-Polymer (1100 mA) backup battery(optional)
16) Voice, memory storage, Data, TCP/IP
17) Size of the Mainframe: 112mm x 68mm x 25mm
18) Mainframe N/W: 200g