ITEM NAME:Wireless Serial 6 Pin Bluetooth RF Transceiver Module HC-05 RS232 With backpl T8 Wireless Serial 6 Pin Bluetooth RF Transceiver Module HC-05 RS232 With backpl T8 100% Brand New. It is HC-05 Bluetooth module. Commercial Series: Bluetooth module board Series Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. Potter default rate of 9600, the user can be set up. With computer and bluetooth, bluetooth adapter, PDA, seamless connection equipment. Size: 45mm x 17mm x 6mm (L x W x H) (Approx) Material: Iron and ABS Cable length: 20cm Operating voltage: 3.3V Working current: matching for 30 MA, matching the communication for 8 MA. Dormancy current: no dormancy. input power supply 3.3~6V, Prohibit more than 7V. With LED indicator light, use 150mA and 3.3V regulation chip. With VCC, GND, TXD, RXD foot for the Bluetooth With "Re-search" button (ON/OFF/WAKE foot for it , external MCU out input "High level" can control module to re-search) Compatible with bluetooth master module", slave module" or master-slave (whole) module. Allows your device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer. No "Automatically prevent power supply peversing func", so please correctly connect power supply Package Included: 1 * Wireless Serial 6 Pin Bluetooth RF Transceiver Module HC-05 RS232 Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..1 Wireless Serial 6 Pin Bluetooth RF Transceiver Module HC-05 RS232. Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. Compatible with bluetooth master module", slave module" or master-slave (whole) module.