Technical parameters
GPS Chipset	SiRF star Ⅲ
GSM/GPRS module	Simcom SIM300
Fr equency	Tri-band GSM900/1800/1900Mhz or 850/900/1800/1900Mhz
Sensitivity	-159dBm
Cold start / hot start	35s / 1s
Lithium battery	3.7V 800mAh
Specifications
Dimensions	5.1 x 4.6 x 1.7 cm / 6.7 x1.5 x1.4 cm
Weight	35g