SIM800 GSM Modem with Bluetooth has on Board Bluetooth Antenna. It works just like Sim900a but only added feature is on board Bluetooth. It has on board power regulator, works on 9V 1A DC power switch, reset switch, power led, ring led and network led. Comes with UART serial DB9 connector TTL pins and external interfacing pins. This module works with AT Commands @ 9600 Baud rate. First Update the firmware for Bluetooth commands to execute.
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