HC-05 HC05 Bluetooth Wireless RF Transceiver Module Industrial Bluetooth Module RS232 / TTL To UART Converter Module For Arduino

? ? ? ? ?? Note: It's?HC-05,Slave?and master two in one module this module can be set to a transmitter or receiver, transmitter could pairing with receiver , receiver and receiver or transmitter and transmitter can't communication between each other, receiver could pairing with computers and cell phone bluetooth , when buying, the default for receiver. ? 1. It is HC-05. 2. Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards.3. Module working voltage 3.3 V.4. Potter default rate of 9600, the user can be set up.5. The core module size : 28 mm x 15 mm x 2.35 mm.6. Working current: matching for 30 MA, matching the communication for 8 MA.7. Dormancy current: no dormancy.8. Used for GPS navigation system, water and electricity gas meter reading system.9. With computer and bluetooth bluetooth adapter, PDA, seamless connection equipment?. ? ? Package Included: 1PCS*30ft Wireless Bluetooth RF Transceiver Module serial RS232 TTL HC-05 FOR ARDUINO ? ? ? ? ? ? ? ? ?