Image: The XM Passport is a tiny, portable tuner that delivers XM Satellite Radio to a variety of home entertainment systems, car radios, portable audio players, and other products. The XM Passport (1 ...

Satellite radio’s initial focus was on commuters and their cars, mostly from GM. But XM has long since realized that to keep growing, it has to be heard even when you’re not rolling in your ‘Sclade.

NEW YORK (Reuters) - XM Satellite Radio Holdings Inc plans to introduce new portable radios next year and expects car buyers to account for more than 65 percent of new subscribers by the end of 2007, ...

That portable XM radio is here: the Delphi XM MyFi, a $350 portable designed to be used when either out and about or in your car. Notable features include an entirely-internal antenna, a “Memory Mode” ...