Product Introduction DP666 is a high sensitivity radio based on NXP s high performance automotive grade TEF6686 chip which has excellent selectivity and ultra high sensitivity This automotive DSP tuner has a wide range of functions and advanced algorithms CEQ EMS iMS and PACS noise canceller SDR software defined radio signal processing especially for improvement of multipath adjacent frequency interference weak signals There are significant advantages in processing and noise cancellation DP666 is a radio built on PE5PVB s open source project TEF6686 ESP32 In addition to listening to radio stations the project also supports a wealth of advanced features such as almost all Radio Data System data display automatic manual station scanning squelch function battery voltage display changeable themes multilingual station presets and more We redesigned the circuit board with reference to the mature TEF6686 front end receiving circuit and equipped the DP666 with a 2 8 inch LCD color screen with resistive touch based on the open source project While ensuring the portability of the machine it can display rich Radio Data System information Radio Data System information requires local radio support a numeric keypad is added to facilitate users to quickly input frequencies and a large capacity 5000mAH battery supports longer standby time In short I hope you will be satisfied with this portable high sensitivity travel radio As the firmware is stil