SIM900A Wireless GSM GPRS Module with Antenna

Specifications & Features of SIM900A Wireless GSM GPRS Module with Antenna:-

• 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