1. S

    Tk790+tk890 dual band, 2 head system

    How can i use each head to control respective tk cabinet? Other than modify radio#2....
  2. I

    TK-890 remote won't power up unless I put ground to control head Pin 3

    Just inherited half a dozen high power TK-890 remote single band single head radios with KCH11 heads to manage for our local ham group. Applying power to the input lead had no effect. On the 9 pin drawer side of the radio there were two wires coming off of it: Pins 2 & 3 spliced together...