GSM SIM800C Modem with Antenna Module’s baud rate is configurable from 9600-115200 through AT command. The GSM GPRS Modem is having internal TCP/IP stack to enable you to connect with the internet via GPRS. It is suitable for SMS, Voice as well as DATA transfer applications in the M2M interface.
 
The onboard Regulated Power supply allows you to connect a wide range of unregulated power supply. Using this modem, you can make audio calls, SMS, Read SMS, attend the incoming calls and internet, etc through simple AT commands.
 
The Modem is built with Quad-Band GSM/GPRS engine-SIM800C from SIMCOM, works on frequencies 850/ 900/ 1800/ 1900 MHz. The Modem is populated with DB9 Female connector so as to directly connect with computer or other RS232 Compatible devices. MAX3232 from MAXIM Semiconductor is used for the RS232 Level conversion.