30ft Wireless Bluetooth RF Transceiver Module serial RS232 TTL HC-05 (FS00905)

Suitable for Bluetooth adapter, Bluetooth phone use, master-slave can also be used in double.
Can be set for the module control parameters and control commands issued via AT commands.
Provide 7 input and output ports, scalable user IO resources.
Work status indicators; connection with the non-connection state signal output, easy to track the status of module MCU.
Great for embedded wireless serial transmission alternatives.
Bluetooth Specification v2.0+EDR.
USB protocol: USB v1.1/2.0.
Frequency: 2.4GHz ISM band.
Modulation: GFSK(Gaussian Frequency Shift Keying).
Transmit power: not more than 4dBm, Class 2.
Sensitivity: not more than -84dBm at 0.1% BER.
Rate: Asynchronous: 2.1Mbps(Max) / 160 kbps.
Synchronous: 1Mbps/1Mbps.
Security features: Authentication and encryption.
Support profiles: Bluetooth serial port (master & slave).
Power Supply: +3.3VDC 50mA.
Working temperature: –5°C to 45°C.
Max. serial baud rate: 1382400bps, support for hardware flow control transfer.
Size:2.7cm x 1.3cm - 1.06inch x 0.51inch.