GSM SIM900/SIM800 Library for C
SIM800 is a complete Quad-band GSM/GPRS solution in a SMT type which can be embedded in the customer applications.
SIM800 support Quad-band 850/900/1800/1900MHz, it can transmit Voice, SMS and data information with low power consumption. Featuring Bluetooth and Embedded AT, it allows total cost savings and fast time-to-market for customer applications.