蓝牙协议版本

Bluetooth Specification

Bluetooth Specification v2.1+EDR

usb协议

USB Protocol

频率

Frequency

2.4GHz ISM band

调制方式

Modulation Method

GFSK(Gaussian Frequency Shift Keying)

发射功率

Output power

≤4dBm,Class 2

灵敏度

Sensitivity

≥-84 dBm at 0.1% BER

通讯速率

Communication speed

2M bps MAX 3M bps

安全特性

Safety characteristic

Authentication and encryption

支持Profiles

Profiles supported

HSP.HFP.AVRCP.

供电电源

Power supply

+3.3V-4.2V DC

工作温度

Employment temperature

-20～+55 Centigrade

尺寸

Size

14mmX20.5mmX2mm