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一:产品概述: SN-509-8670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**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**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 ◆医疗设备 ◆智能家居 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-509-8670 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 HFP V1.6,HSP V1.2 , A2DP V1.2,AVRCP V1.4 工作电流 <20mA 待机电流 <50uA 温度范围 -40℃—80℃ 无线传输范围 ≥10M 灵敏度 -80dB<0.1%BER频 频率范围 2.4GHZ—2.480GHz 对外接口 PIO,SPI,I2C and PCM,USB 音频性能 立体声支持ACC,MP3,SBC 音频信燥比 ≥75dB 失真度 ≤0.1% 模块尺寸 15mm*16mm