点击图片查看大图
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℃