According to the Bluetooth antenna installation method, there are three types, please pay attention to choose .
![1](https://ae01.alicdn.com/kf/HTB1ZWIJadfvK1RjSspfq6zzXFXa3.jpg)
![1](https://ae01.alicdn.com/kf/HTB14EMJaffsK1RjSszgq6yXzpXaU.jpg)
![1](https://ae01.alicdn.com/kf/HTB1sF.JaozrK1RjSspmq6AOdFXaZ.jpg)
Electrical characteristics:
●Working voltage: DC 9-20V
● Output level: 2.1V (maximum)
●Signal to noise ratio: 112DB
●Total harmonic distortion: -93DB
●PCB size: 62.5 x 59 mm, PCB thickness 1.6mm, PCB copper foil thickness 2OZ
● Module design features:
●CSR8675 (version 5.0) for Bluetooth data reception, supports APTX-HD protocol, converts Bluetooth signals into I2S data format,
● DAC data decoding uses PCM5102A, which decodes I2S data into DAC and outputs analog signals, which can directly push headphones and amplifiers.