Sim900 based GSM Module

Sim900 based GSM Module

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Quick Overview

You need only two wire( TX , RX ) except Power supply to interface with microcontroller / Arduino . The built in Power supply allows you to connect wide range unregulated power supply . Using this modem , you can send SMS, data and read SMS through simple AT command.

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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 . 

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