Very interesting Shawn.
It even goes with my new(er) Trailblazer 325 EFI. You are right, they are spendy, but, so is the one I can get from Miller for my machine and it won't turn it on and off (great feature especially when working in the air and not needing the machine for a while).
For the record, if in line of site, I know the Miller cordless remote will work from over 300' away. We tested it at a demo in Yuma about 3 years ago and just started walking and adjusting the machine. I stood at the machine and documented while a couple of the guys walked across the field with the remote. It was only rated at 100'. So, if this one is anything like that, when you are up on a tower and have line of site to the machine you should be good for quite a bit of your height.
Thanks for sharing.
He Is In Control, Have a Great Day, Brent