Satélite resolve problema da mobilidade?

Um dos maiores problemas da rádio-satélite nos EUA é a necessidade dos receptores estarem imobilizadospara garantirem uma boa recepção (caso contrário a qualidade do sinal falha: A major concern with current-generation satellite portables is reliable receptivity. A few devices already exist on the market, including the Delphi MyFi, but traditional radio receivers are far more reliable. XM indicated that its new line of receivers will feature stronger connectivity, while Sirius pointed to new releases in June that will also offer improvements). Ou "To get live radio, most portable satellite receivers on the market need to be docked (they can, however, play recorded programs on the go). Some have internal antennas for receiving live broadcasts on the go, but reception tends to be spotty" ("Satellite Radio Leaves the Car to Go Home and on Walks", New York Times, 12/1/06. neste endereço http://www.nytimes.com/2006/01/12/technology/circuits/12basics.html)

)Os novos aparelhos receptores têm, além de  melhores antenas, "Both allow users to grab satellite streams on-the-fly, while also functioning as an MP3 player. While listening to any XM station, users can also bookmark a specific song, and download the track on a PC using the upcoming XM+ Napster service. Less ambitious portables do not allow on-the-go receptivity, though they do allow listeners to record satellite streams while docked."