Yaesu FC-20 autotuner. Works great! Comes with cable. For the FT-100, FT-100D, FT-847, FT-857, FT-897 operating on all HF ham bands plus 6 meters. It is ideal for tuning out SWR variations in your antenna system present at the radio end of your coax. Utilizing fixed inductances and variable capacitors controlled by precision stepper motors, the FC-20 can accommodate and resolve SWRs of up to 3:1 on HF and up to 2:1 on 50 MHz The Yaesu FC-20 also provides 100 memories for tuning data, so you will instantly be ready to transmit on your favorite frequencies and it includes a convenient Auto-Start feature in case the antenna system impedance suddenly changes.
* Coverage: 1.8 to 54 MHz Amateur Bands
* Memories: 100 Total
* Tuning time: <30 seconds
* Antenna matching impedance: 17 to 150 Ohms
$165 + shipping.