1 Tech Support: info@iteadstudio.comHC-05-Bluetooth to Serial Port ModuleOverview 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. SpecificationsHardware features 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 Bluetooth module iteadstudio.com 06.18.2010