The satellite radio world is divided among the two major broadcasters, XM Radio and Sirius. Since they work on different frequencies and need specific equipment to broadcast, Sirius and XM Radio have divided the market into two groups. While some are fans of the Sirius channels others prefer XM Radio, and the debate regarding which of the two is the best could go on forever. Some however are subscribers to both services, since they love some of the Sirius programs but also enjoy XM Radio broadcasting. For them and for more people interested in satellite radio, there are some potential good news. Inter operable satellite radios are one of the things most of the major players in the satellite radio industry are talking about. What are they? Basically they are receivers that can work both with Sirius and XM Radio and everything is enclosed in a single unit.

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Satellite radio is one of the biggest improvements in broadcasting since the introduction of FM. Satellite radio signal can be broadcasted for more than 35,000 kilometers (22,000 miles) with complete clarity and high quality sound. You will never get static interferences while listening to over 100 radio channels. The idea behind satellite radio has appeared in 1992, when the United States Federal Communications Commission granted a spectrum of the S band (the 2.3 GHz frequency) for Digital Audio Radio Service. The license to broadcast in that band was allocated to Sirius Satellite Radio and XM Satellite Radio in 1997. Now there are three companies that provide satellite radio in the world: Sirius and XM in Northern America and WorldSpace in Asia, Europe and Africa.

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