6 inch Ground Plane Disc for Antenna Mounting on Aluminum Fiberglass Plastic Helmet Wiring Kits It’s that simple

It’s that simple

flexible construction built for race-day and rugged use

Ford F250 & F350 (1993-1997)

and other radios

as well as a coiled PTT for mounting to the steering wheel

6 inch Ground Plane Disc for Antenna Mounting on Aluminum Fiberglass Plastic Helmet Wiring Kits It’s that simpleMade for vehicles with a non metal roof that uses a ground plane antenna. For best performance, mount the Ground Plane Disc on top of your roof and your antenna on top of the disc. The Ground Plane disc can be mounted on the underside of the roof, but antenna performance may decline. 4 holes in the ground plane allow you to incrementally adjust the position of your antenna once it has been mounted. 6" Diameter Alloy construction (4) 3 8" holes