Features 1.Add Bluetooth Function: This for HC05 Bluetooth RF transceiver can quickly add Bluetooth function to your circuit board project. 2.Mobile Control: You can use your for android phone to control some gadgets in your circuit board project, such as: switch, LED. 3.Basic Parameters: The default baud rate of for HC05 wireless Bluetooth RF transceiver: 38400(CMD mode), 9600(data mode); data bit: 8; stop bit: 1. 4.Long Distance Communication: Bluetooth module's communication distance: 10m, communication protocol:UART, Bluetooth2.0, signal stability. 5.PCB Board: for HC05 Wireless Bluetooth receiver uses PCB board, stable and durable, power supply: 5V DC; indicator: PWR State. specificationItem Type: for HC05 Bluetooth Module_x000D_ Material: PCB_x000D_ Compatible: for Iteaduino_x000D_ Communication Distance: Approx. 10m/32.8ft_x000D_ UART Interface (TTL) and Programmable Transmission Rate (SPP Firmware Installation)_x000D_ Default Baud Rate: 38400(CMD Mode)/9600(data Mode)_x000D_ Data Bits: 8_x000D_ Stop Bit: 1_x000D_ Default PINCODE: 1234, A Complete Set of Configuration Commands_x000D_ Microprocessor: CSR BC417_x000D_ Indicator: PWR State_x000D_ Power Supply: 5V DC_x000D_ Input and Output: 6_x000D_ Communication Protocol: UART, Bluetooth2.0 PackageList1 x for HC05BluetoothModule