C-BOARD (DSP-Board) for UV-K5 (Updated June 9, 2024) June 08, 2024 C-BOARD for UV-K5 I created an externally mountable DSP-Board to process digital signals from UV-K5. DSP-Board was named C-Board. C-Board is divided into versions ranging from the simplest version to one that can be equipped with GPS. Read more