Sim900a gsm gprs module

Get the targets latitude and longitude by SMS or GPRS, and check position on google earth/maps. Support GPRS data transmission. Support sending commands by computer Remote sending commands by GPRS server and SMS Support GSM Sim cards, the unit works with the other card automatically when one card has no GSM signal or no phone charge. Support storing data in SD card, the GPS data will be stored into the SD card automatically when there no GPRS signal. Remote Monitoring and SOS function, and Two-way communication. Send a Geofence alert to the user when it breaches the restricted area. Send SMS to the unit to cut off the vehicle engine and circuit when someone startup the vehicle illegally in anywhere and anytime. monitor fuel without sensor(OPTIONAL) Specifications: Size :80(L)x60(W)x25(H) mm Weight :100g Network GSM/GPRS Band : : 850/900/1800/1900Mhz GSM module SIMCOM GPS chipset SirF III chipset GPS sensitivity -159dBm GPS accuracy 5m Cold/ Hot T TFF 35/2s Car charger : 12-24V input, 5V ouput Battery Power 3.7V DC Li-Ion Battery,1100mA Battery Life : About 48hours Operating Temperature -10°C to +65°C Storage Temperature -20°C to +70°C More Info : https://www.letstrak.com/device.html