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GSM Module
GSM module is used to transfer data from Smart Breathalyzer to the remote server via GPRS.
The model we are using is SIM808 GSM module. SIM808 module is a GSM and GPS two-in-one
function module. It is based on the latest GSM/GPS module SIM808 from SIMCOM, supports
GSM/GPRS Quad-Band network and combines GPS technology for satellite navigation.
Features
Supports multiple frequencies (Quad-band 850/900/1800/1900MHz)
GPRS multi-slot class12 connectivity: max. 85.6kbps (down-load/up-load)
Supports charging control for Li-Ion battery
Supports Real Time Clock
Supply voltage range 3.4V ~ 4.4V
Supports 3.0V to 5.0V logic level
Low power consumption, 1mA in sleep mode
Supports GPS NMEA protocol
Standard SIM Card
Operating Temperature range -400C ~ 900C
Figure SIM808 GSM/GPRS Module
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