This is a Terk XM4/ SIR4 Satellite Radio Universal Truck & RV Mount With Antenna that has been used. It is compatible with a variety of vehicles and features a transmission type of XM. The brand is Sirius/XM and the model is SIR4. The mount is designed for exterior use and is ideal for those who enjoy satellite radio while on the road.

This satellite radio antenna is a great addition to any vehicle and allows for easy access to a wide variety of radio stations. It is important to note that this item has been used and is being sold as-is.