Audiovox XMICRO2 Roof Mount Antenna Terk's XMicro roof mount antenna is smallest satellite radio antenna on the market. It is 1/4 the size of its predecessor and the lowest profile antenna for capturing XM satellite service for cars, SUVs and mini vans that don't have factory installed XM receivers and antennas. Features include a high performance magnet for quick and clean installation and four small rubber feet made of soft silicon on the base of the antenna to prevent movement due to severe weather conditions. Mounts on any metal surface: A magnet in the antenna allows it to be mounted on any metal surface, with rubber feet to prevent scratching vehicle finishes or other surfaces. Placement flexibility: Small size and 23' of cable allows the antenna to be placed almost anywhere on the vehicle to ensure optimal signal reception. Compatible with all XM Dock & Play and Portable Vehicle Kits, as well as the CommanderMT Radio. Not compatible with the SIRIUS|XM MiRGE Radio or Vehicle Kit or the XM SkyDock.