Buy DSP Audio Filter Units - Sotabeams DSP Filter Online | Audio filters and more | Amateur Radio Accessories and Equipment
Jonathan M0JSX / K6JSX on Twitter: "Just finished the WSPRLite filter kit from @SOTAbeams. Easy to follow instructions and high quality components. Now to test the antenna on 80m. (Although I do
Review of New SOTABeams 2m-FM Bandpass Filter - Activation Reports - SOTA Reflector
Review: Laserbeam digital audio filter from SOTA Beams (Pt 1) - YouTube
Sotabeams LPFKITDXEPCB SOTAbeams Filter Boards and Band Component Kits | DX Engineering