The ZYCOO-4GSM-U50-U100 4 GSM trunk module for SMS/Voice IP Phone System for GSM connection. Each port has one LED(Light-Emitting Diodes). 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.
The 4GSM module has 4 GSM ports for four SIM Cards from any operator and is supported by the CooVox U50 and U100 models in addition to the P appliances. It includes 4 wired antennas for a better reception location.
The 2/4 GSM module supports CooVox-U50/ CooVox-U100/Asterisk Appliance P2 IP Phone Systemfor GSM connection. Each port has one LED(Light-Emitting Diodes). 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. Interoperable modules 4FXO, 4FXS, 4BRI, 1PRI, Supported protocols Voice (2G), SMS, Accessibility. Through Asterisk 1.8x
Specifications GSM Modules:
Each port has one LED (Light-Emitting Diodes), which is assembled on the mainboard.
The Red LED indicates port status:
Solid Red = Module loading successful
Blink Red = Channel Ringing
If the LED is off, the GSM module is loading failure.
The Red LED indicates port status:
Solid Red = TE Model
The Green LED indicates port status:
Solid Green = NT Model
If the LED is off, the module is loading failure.
SIM900 Key Features
Based on SIM900 chipset, a quad-band GSM engine, working on GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz frequencies, the module can be used worldwide.
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.
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