size	48*60*22mm
Working Voltage	DC:6~40V
Working Temperature	-40~85°C
CPU	TI:MSP430F149(16MHz)
GSM Module	Band:850/900/1800/1900MHz Tally with: GSM phase 2/2+ -Class 4 (2W @ 850/900MHz) -Class 1 (1W @ 1800/1900MHz) Max RF Output: 33.0dBm±2dBm Dynamic Input Range: -15 ~ -102dBm Receiving delicacy: Class  RBER≤2%(-102dBm) Frequency Stability: > 2.5ppm Max Frequency Deviation: ±0.1ppm RMS Deviation:  ≤5deg
GPS Module	GPS chip set: SiRF Star III Frequency: L1, 1575.42 MHz Number of Channel: 20 Reacquisition: 0.1 sec, average Hot boot: 2 sec., average Warm boot: 38 sec., average Cold boot: 44 sec., average Altitude limit: 18000 m Velocity limit: 515 m/s
Current	Standby Current:16mA working Current:60~150mA Charging current: Max<500mA
Accessories	Device, relay