The SIM800 GSM Module Bluetooth Antenna. It works just like sim900a but only added feature is on Module Bluetooth. It has On Module Power regulator, works on 9V 1A DC Power Switch, Reset Switch, Power LED Ring LED Network LED UART Serial DB9 Connector TTL Pins And external Interfacing Pins. And also external Interfacing Pins.

SIM800 Bluetooth interface

First Update the firmware for Bluetooth commands to execute

SIM800 GSM Module : Power on the Sim800 Module

SIM800 GSM Module : At+btpower=1

Mobile Phone : Power on the Bluetooth on your mobile phone.

Mobile Phone :  Click to pair with sim800 and press ok for the pop up message.

SIM800 GSM Module : At+btpair=1,1

SIM800 GSM Module :  At+btgetprof=1

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Package Includes :

1 x SIM800 GSM Module