CooVox V2 GSM Module

Designed with SIM900 for global market, SIM900 is a quad-band GSM engine that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz.
CooVox V2 GSM Module Datasheet
SIM900 key features Feature Implementation Power supply Power saving Frequency Bands.

Description

Designed with SIM900 for global market, SIM900 is a quad-band GSM engine that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz.
CooVox V2 GSM Module Datasheet
SIM900 key features Feature Implementation Power supply Power saving Frequency Bands
GSM class Transmitting power
Temperature range
Single supply voltage 3.4V-4.5V Typical power consumption is SLEEP mode is 1.5mA(BS-PA-MFRMS=5) SIM900 quad-band:GSM850, EGSM 900, DCS 1800, PCS 1900. The SIM900 can search the 4 frequency bands automatically. Compliant to GSM Phase 2/2+ Small MS Class 4(2W) at GSM 850 and EGSM 900 Class 1(1W) at DCS 1800 and PCS 1900
Normal operation: -30-+80 degrees Centigrade

The 1GSM module applies to CooVox-U20 IP Phone system; 2/4 GSM module applies to CooVox-U50/U80/U100 IP Phone System.
Each port has one LED(Light-Emitting Diodes), which is assembled on the mainboard. The LED indicates port status:
> Solid = Module loading successful > Blink = Channel Ringing
If the LED is off, the GSM module is loading failure

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