Raspberry Pi Sim 900 A GSM Modem Module with Antenna Micro Controller Board Electronic Hobby Kit

Compatible with RASPBERRY PI, OLINUXINO, BEAGLE BOARD, BEAGLE BONE etc. - Also Compatible with ARDUINO, AVR, PIC, 8051 and all other microcontrollers - Best 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) - GSM MODEM supports communication through RS232 with DB9 Connector, TTL Pins & I2C Pins - Compatible with AC / DC Adapter (AC & DC solder points also available on board) - ON/OFF Switch for easy switch ON after inserting SIM (or keep in ON position for auto ON on powering) - DEBUGGER Pins available SIM900A Modem is built with Dual Band GSM/GPRS based SIM900A modem from SIMCOM. It works on frequencies 900 / 1800 MHz. 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. The GSM/GPRS Modem is having internal TCP/IP stack to enable you to connect with internet via GPRS. SIM900A is an ultra compact and reliable wireless module. This is a complete GSM/GPRS module in a SMT type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.