USGlobalsat GTR-128 - Manual (Page 4)

4
1.3 Hardware specification
Item Description
Model GTR-128 GTR-129
Dimension 61 mm X 38 mm X 19 mm
CPU High performance line ARM-base 32-bit MCU
GPS receiver SiRF Star IV high performance GPS chipset
Operation
-30 ℃ ~ + 80 ℃ -10 ℃ ~ + 60 ℃
(0 ℃ ~ + 45 ℃ for charging)
Temperature
Storage
-40 ℃ ~ + 85 ℃
GPS Antenna Built-in patch ceramics antenna
GSM Antenna Built-in Pi-Fa antenna
Communication Quad-Band GSM (850/900/1800/1900 MHz)
Protocol SMS/GPRS (TCP/UDP)
Power 8~36 V
Built-in Memory 32 Mb
Emergency Input Negative trigger 1
Ignition (ACC) Input Positive trigger 1
Digital Input Port Negative trigger 1
Digital Output Port Negative trigger 1 (300 mA)
Fuel sensor Input Port Analog Input 1( 0~28V), 12 bits resolution
Serial Port 115200 bps
Sensor Motion sensor