2.4G GHz Serial Port Bluetooth Module HC-05 Master Slave<br /><br />Description:<br />Bluetooth protocal: Bluetooth Specification v2.0+EDR<br /><br /> Frequency: 2.4GHz ISM band<br /> Modulation: GFSK(Gaussian Frequency Shift Keying)<br /><br /> Emission power:  &amp;le;4dBm, Class 2<br /><br /> Sensitivity:  &amp;le;-84dBm at 0.1% BER<br /><br /> Speed: Asynchronous:  2.1Mbps(Max) \/ 160 kbps, Synchronous: 1Mbps\/1Mbps<br /><br />  Security: Authentication and encryption<br /><br /> Profiles: Bluetooth serial port<br /><br /> Power supply: +3.3VDC 50mA<br /><br /> Working temperature: -20 ~ +75 Centigrade<br /> Dimension: 26.9mm x 13mm x 2.2 mm<br /> Used for:VBAR K8 GV8000 3-Axis Gyro<br /><br /> Serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. <br /> <br /> Package Inculded:<br /> 1xBluetooth Module<br /> 1xCable