HC 05 Bluetooth Module is a easy to use module, which allows the access via Serial Port. It is a module which is fully Qualified Bluetooth v2.0 + EDR (Enhanced Data Rate) 3 Mbps modulation with complete 2.4 Ghz radio transceiver and base-band.
 
Specifications:- 
Profiles: Bluetooth serial port Profile
Bluetooth protocol: Bluetooth Specification v2.0+EDR
Frequency: 2.4GHz ISM band
Modulation: GFSK(Gaussian Frequency Shift Keying)
Emission power: ≤4dBm, Class 2
Sensitivity: ≤-84dBm at 0.1% BER
Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
Security: Authentication and encryption
Power supply: +3.3VDC 50mA
Working temperature: -20 ~ +75Centigrade
 
Applications:-
Embedded Projects
Industrial Applications
Computer and portable Devices
GPS receiver