A CAT interface for the old TS790 144/432/1292 tranceiver to work with N1MM including the internal CW keyer DTR and "PTT" RTS and WSJT MSHV with "PTT" control Using the 3€ FTDI USB serial interface picture bottom page first i bought the Kenwood USB serial interface cable that cable has the TS790 special 6 pin DIN plug this interface works well ...as long as you cut the 4-5 wire bridge on the ACC din.. with the wire bridge it did go offline after 30 seconds or so Kenwood interface cable with CH330 eBay 15€ This type Kenwood interface cable uses a tiny 6 pin USB CH330 chip The driver is CH340 known for Arduino it workes in W7/10 64 It has only TX RX Usart function no DTR RTS available The TS790 settings are 4800b 8bit data 2 stop default N1MM does not list the TS790 it has the TS890 but that one does not support modes the TS2000 does support freq and modes and let you switch 2/70/23 it seem...
Ham radio in JO33hg31 53.15N 6.35E