The Module is supplied by 5 - 26V power, when the power supply less than 9V, to be sure need provide 2A current. The other power supply port is 3.5-4.2v, which is suitable for lithium batteries.
Computer debugging USB- TTL can be. Portable to use. Two antenna SMA ports, comes with GPS and GSM antenna; Two IPX ports for easy insertion in the aluminum box and extract antenna.
1 TTL serial port, GPS and GSM functions can be switched freely; Can achieve GPS positioning, SMS, data and other functions.
Standby around 80MA, power consumption around 10MA. With voice and microphone interface. It belongs to 4 frequency and is available globally.
Package Include 1 x SIM808, 1 x GPS Antenna, 1 x GSM Antenna