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Low cost, enhanced, installable HFK, CSR BC5MM based

You are here: Products -> Reference Designs -> Enhanced Bluetooth Hands-Free Kit

Low cost, enhanced, installable Hands-Free Kit (preliminary information)

Alango low cost, installable Hands-Free Kit, based on CSR BC5MM chip is a "Just Make it - Licensable Complete hardware+software design". It is an advanced voice communication solution for automotive applications with Bluetooth connectivity. The scalability and extensibility of the solution are provided by incorporating several key Alango software DSP technologies together with configurable hardware design based on CSR platform


  • Bluetooth phone connectivity with CSR technology
  • Real duplex communication with excellent voice quality
  • Transient Noise Reduction technology
  • Speaker channel processing including:
    • Sound Cruise Control
    • Noise Suppression
    • DRC, AGC
  • Remote control
  • Wireless remote control (optional)
  • Car radio mute
  • Universal phone charger
  • Lowest bill of materials and manufacturing cost
  • "Just make it" - licensable complete design (shortest product development time, gerber files and application software are provided)

Hardware block diagram

Bluetooth module

The current hardware design is based on C-Com BTM-301 Bluetooth module.


Additional information

Please, contact us for more information.


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