Avoid satellite radio signal dead zones. The Tram Satellite Radio Low-Profile 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. 2" tall. Fully shielded NMO mount minimizes signal radiation loss & leakage. Solid brass NMO mount. 3-way stainless steel mirror mount & bolts. 17ft super-thick premium RG58/U cable