SIM900A Modem is built with Dual Band GSM based SIM900A modem from SIMCOM. It works on frequencies 900MHz. SIM900A can search these two bands automatically. The frequency bands can also be set by AT Commands. The baud rate is configurable from 1200-115200 through AT command.

Quad-Band GSM/ 850/900/1800/1900MHz
Compatible with arduino, raspberry pi, arm, avr, pic, 8051
power supply 12v 1amp to 2 amps max
Use in the area of full signal strength.
Perfect suited for GSM based Microcontroller Projects (better than SIM300 and other GSM Modems)
Option for connecting MIC and SPEAKER directly to GSM MODEM for calls (LINE IN also available)
Supports communication through RS232 with DB9 Connector, TTL Pins and I2C Pins
CALL SMS GPRS facility – MIC input, LINE input and SPEAKER output pins

Weight 0.2 kg


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