BK3221 Bluetooth Module
BK3221 Bluetooth Module is an intelligent wireless audio data transfer product. It is a low-cost and cost-effective stereo wireless transmission solution. It uses a driverless method. Customers simply need to connect the module to the application product to quickly realize wireless transmission of music, supporting simple data transfer functions.
Technical Specifications
Model: BK3221
Bluetooth V2.1
Supply voltage : DC3.3
Support Bluetooth protocol HFPV1.5, A2DPV1.2, AVRCPV1.0
Operating current : ≤ 60mA
Standby current: <500uA
Temperature Range: -40 ℃ to + 85 ℃
Wireless transmission range of more than 10 meters
Transmit power: CLASS2,3dbm
Sensitivity: -80Khz <0.1% BER
Frequency range: 2.402GHz-2.480GHz
External interface: 2C, SPI and UART
Audio features: SBC decoding
Audio signal-to-noise ratio: ≥ 60dB
Module size: 25x13.5x1.8mm
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