Looking for either F16v3 or v4, thanks!
Still on the hunt for an F16 v3 or v4
This is probably as close as you can get
https://pixelcontroller.com/store/products/77-f16v4rtr.html
This is another option although not what you asked for - https://pixelcontroller.com/store/products/52-f16v2-beta-board.html
If you are not dead set on a Falcon controller, Wired Watts has the K16 in stock now and is actually a little more versatile than the F16V4
K16A-B Beaglebone Controller Cap by Kulp Lights - Wired Watts.com (https://www.wiredwatts.com/klk16a-b)