The Interoperable Satellite Radio Truck Antenna SRTMM-02 by Pana Pacific is a universal exterior-mounted antenna designed for compatibility with Sirius and XM radio transmission types. Made in China, this model offers a reliable and versatile solution for enhancing your vehicle's satellite radio reception. With its durable construction and easy installation, the SRTMM-02 antenna provides a seamless user experience for satellite radio listeners on the go.