Gsm Module
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The GSMGPRS TTL UART Modem, from rhydoLABZ, is built with Dual Band GSMGPRS engine- SIM900A, works on frequencies 900 1800 MHz. The Modem is coming with selectable interfacing voltage,which allows you to connect 5V & 3V3 microcontroller directly without any level conversion chips. The baud rate is configurable from 9600-115200 through AT command. The GSMGPRS Modem is having internal TCPIP stack to enable you to connect with internet via GPRS. It is suitable for SMS, Voice as well as DATA transfer application in M2M interface.