ADSP Audio Filter FDS-02 from BG5ROJ

Hi guys,

I just received yesterday from my friendly group of ELEKITSORPARTS, a small and smart group of amateur radio components designer and builder, the ADSP Filter FDS-02. They sent to me, for testing and review purpose, this small and effective audio filter that do more than just filtering!


Meanwhile, you can visit their website at

Do not forget to subscribe to my blog and my YouTube channel as well.

Have a great summer and stay tuned!


Jeff | VA2SS


This entry was posted in BG5ROJ, Digital Modes, Hardware, HF Digital Modes and tagged , , , , , , , , , , , , , , , , , , , , . Bookmark the permalink.