Bluetooth Module AT-09 (Bluetooth V4.0 Module)

BT-05 Bluetooth Module specifications:
Baud Rate: 9600
Working Frequency: 2.4GHz ISM Band
Modulation Method: GFSK (Gaussian Frequency Shift Keying)
RF Power: ≤4dBm, Class 2
Sensitivity: ≤-84dBm at 0.1% BER
Bluetooth Protocol: V4.0 & Bluetooth BLE
Transfer Rate: Synchronous 6kbps / Asynchronous 6kbps
Flash: 256Kb
Support Services: Central & Peripheral – UUID / FFE0 / FFE1
Communication Distance Range: 60m
Operating Voltage (DC): 3.3V to 6V (Cannot higher than 6V)
Power Consumption: 9mA Transmission / 90uA to 190uA Deep-Sleep
Size: 37.5mm x 16.5mm
Pin Description of BLE Bluetooth 4.0 CC2541 Wireless Module
STATE: state test pins, connected to an internal LED, generally keep it unconnected.
BRK: break connect, it means breaking the Bluetooth connection, generally keep it unconnected.
VCC: positive pole of the power source.
GND: Ground.
TXD: serial interface, transmitting terminal.
RXD: serial interface, receiving terminal.
Applications:
Industrial remote control, remote sensing, POS system, Bluetooth keyboard, mouse, joystick
Automobile testing equipment
Portable, battery-powered medical equipment
Wireless LED display system
Smart Home