Typical -80dBm sensitivity Up to +4dBm RF transmit power Low Power 1.8V Operation ,1.8 to 3.6V I/O PIO control UART interface with programmable baud rate With integrated antenna With edge connector.
HC-05 module is an easy to use Bluetooth SPP (Serial Port Protocol) module, with DB9 Female UART Connector, 5v to 12v AC/DC power, External 3.3v Supply (Optional), TTL interface, Paired LED Indicator, Work Mode LED Indicator, Power Indicator and Slide switch to switch between, Communication mode and AT Mode. 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).