Sim900 based GSM Module
Details
Description : This GSM module is built with the advance SIM900 engine, works on frequencies EGSM 900 MHz, DCS 1800 MHz and PCS 1900 MHz. It is very compact in size and easy to use as plug in module . The Modem is coming with RS232 interface,which allows you to connect directly to PC or microcontroller / Arduino .
