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The most popular type of DARS in the and Sirius . XM and Sirius both operate in the 2.3- GHz S Band , from 2320 to 2345 MHz . In areas with weak signals, such as downtown areas with tall buildings or parking garages which block satellite signals, Terrestrial Repeater s are installed to re-broadcast the signal to ensure continuous coverage. Outside the United States, WorldSpace operates a DARS network with a footprint covering Europe, Asia, the Middle East and Africa using the L-band . SEE ALSO |
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