Avoid satellite radio signal dead zones. The Browning Satellite Radio Mirror Mount Antenna is compatible with Sirius and XM services. It mounts to your mirror to extend your radio\'s range.. High performance on XM service. Compatible for use with XM & Sirius services. Extended range. 3" ground-plane plate. 10" tall. 3-way stainless steel mirror mount & bolts. Replaceable cable. 21ft super-thick premium RG58/U cable