HC?05 module is an easy to use Bluetooth SPP (Serial Port Protocol) module,designed for transparent wireless serial connection setup.The HC-05 Bluetooth Module can be used in a Master or Slave configuration, making it a great solution for wireless communication.
Typical ?80dBm sensitivity.
Up to +4dBm RF transmit power.
3.3 to 5 V I/O.
PIO(Programmable Input/Output) control.
UART interface with programmable baud rate.
With integrated antenna.
With edge connector