SN-508-8645蓝牙模块为本公司自主开发的智能型无线音频数据传输产品，是低成本的高效率的立体声无线传输方案，模块采用了CSR BC8芯片为模块提供了高品质的音质和兼容性，整体性能更优化。模块采用免驱动方式，客户只需要把模块接入应用产品，就可以快捷地实现音乐的无线传输，享受无线音乐的乐趣。

二：应用领域：

该模块主要用于短距离的音乐传输，可以方便地和笔记本电脑手机，PDA等数码产品的蓝牙设备相连，实现音乐的无线传输。

◆蓝牙音响

◆蓝牙立体耳机

◆免提电话

◆蓝牙无线传输音频

◆蓝牙拨号器

三：基本特性：

1.Bluetooth Profiles

◆Bluetooth v4.0 specification support

◆HFP v1.6

◆HSP v1.2

◆A2DP v1.2

◆AVRCP v1.4

◆Support for smartphone applications (apps)

2.Music Enhancements

◆Configurable 5-band EQ for music playback

(rock,pop, classical, jazz,  dance etc)

◆SBC, MP3, AAC and Faststream decoder

◆Stereo widening (S3D)

◆Volume Boost

◆Support for voice recognition

◆Support for multi-language programmable audio prompts

◆CSR's proximity pairing and CSR's proximity connection

◆Multipoint support for HFP connection to 2 handsets for

3.voice

◆Multipoint support for A2DP connection to 2 A2DP sources  for music playback

◆Talk-time extension

4. Improved Audio Quality

CSR’s latest 2-mic CVC audio enhancements for narrowband and wideband connections including::

◆1-mic far-end audio enhancements

◆Near-end audio enhancements )noise suppressionand AEQ)

◆Wind noise reduction

◆Packet loss concealment

◆Bit error concealment

◆Automatic gain control and automatic volumecontrol

◆Frequency expansion for improved speech intelligibility

◆mSBC codec support for wideband speech

四：性能参数：

型号 SN-508-8645

蓝牙规格 Bluetooth V4.0

调制方式 ∏/4 DQPSK,8DPSK

供电电压 3.3-4.2V

支持蓝牙协议 HFPV,1.6,HSPV 1.2,A2DPV1.2,AVRCPV1.4

工作电流 <20mA

待机电流 <50uA

温度范围 -40℃—80℃