This is the K9AY Loop System Controller from Array Solutions and the interface unit from RemoteQTH. The interface is new in box.

More info on the K9AY loop:

chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.hard-core-dx.com/nordicdx/antenna/loop/k9ay/k9ay_orig.pdf

$325

Tim VE6SH

ve6sh@iaru.org