I cut down a large angle bracket - it is secured by the 2 factory screws on the side of the dash speaker cover.
CB is attached to the bracket and sits above the dash.
If you run with half doors or tube doors, it can cop a bit of crap on the trail - I have covered it with a plastic bag when it looks wet/muddy..
The bracket already had a couple of holes in it, so I drilled them larger and added a few more