- RDA5807 FM module with noise suppression, bass boost, high sensitivity, low noise, strong anti interference performance and other advantages. This combination supports clearer reception and better overall audio quality in typical FM applications. - Power-off memory, automatic search function and memory list management for radio. The module can recall the last state when power is removed, offers an automatic station search, and provides management of saved stations for convenient access. - There are 15 sound modes adjustable with a potentiometer to tailor the audio to your preferred listening experience. - Digital tube display provides a convenient view of radio channels and radio signal strength for easier tuning and monitoring. - Use scenarios: - DIY radio projects and embedded audio devices where clear reception and adjustable sound help achieve reliable performance. - Portable or compact radio builds that benefit from automatic station search and memory list management to quickly locate and store stations. - Projects requiring a visible channel and signal strength readout to aid tuning and antenna placement while maintaining a simple control interface.