Highly rated antennas for use with Sirius satellite radio include the Directed Electronics 14215 windowsill antenna, the Audiovox SUVA2 vehicular roof-mount antenna and the Pixel Technologies SRMT45 motorcycle antenna. Each of these antennas receive an average customer rating of at least four out of five possible stars on Amazon.com, as of January 2016.
The Directed Electronics 14215 indoor/outdoor antenna is a weatherproof model that mounts in a windowsill. It includes an adjustable-tilt base, an SMB connector and a 21-foot coaxial cable. It retails for about $20. Several reviewers state that this antenna works better than the one included with their Sirius receiver.
The Audiovox SUVA2 Sirius antenna is a low-profile, vehicular roof-mount unit that includes a magnetic base that attaches to any ferrous surface. It is compatible with all SIRIUS Dock and Play and portable radio vehicle kits. It includes an 21-foot coaxial cable and a 90-day warranty. It retails for about $40. Several reviewers state that the magnetic mount works well and that the antenna never moves. Other reviewers state that it works better than the antenna included with their Sirius receiver.
The Pixel Technologies SRMT45 motorcycle antenna is a low-profile, cone-shaped unit that mounts on motorcycle handlebars or on any flat surface. It is optimized for high-gain reception of XM and Sirius satellite radio signals and includes a universal SMB plug to connect to any single-lead XM or Sirius satellite radio receiver. It retails for about $50.