Very interested! Was bummed when the Ford tonneau cover only worked with the top fully removed. This would be perfect for use with the top up or down. And yes, make it hard to open with the tailgate closed.
I'm guessing just a SO-239 connector based on that antenna? But that hole in the bracket looks too small to accommodate that. Unless you drill it out, use the SO-239 and then cap it with a washer and a nut.