HC-05 module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup. Serial port Bluetooth module is fully qualified Bluetooth V2.0+EDR (Enhanced Data Rate) 3Mbps Modulation with complete 2.4GHz radio transceiver and baseband. It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH(Adaptive Frequency Hopping Feature). It has the footprint as small as 12.7mmx27mm. Hope it will simplify your overall design/development cycle.

Features:

• Chipset: BC417
• Mode: Master or Slave
• Supply Voltage: 3.3Vdc
• Default Baudrate: 9600 (Changable to 1200，2400，4800，9600, 19200，38400，57600，115200)
• Low Power Consumption: 30mA (Pairing Mode), 8mA (Normal Mode)