Linear amplifier PTT/switching cable & relay Yaesu FT-817 FT-857 FT-897 FT-991

For Yaesu FT-817/857/ 891/897. Essential if your linear doesn't have RF sensed switching. One end of the cable has a Phono/RCA plug which connects to the Key, Tx or PTT input connector of the linear amplifier.

eBay