A radiotelephone includes a single radio frequency chain and a single baseband processor that is connected thereto. The single radio frequency chain and the single baseband processor are configured to communicate with a space-based system using frequencies of a satellite band and an air interface, and to communicate with a terrestrial wireless network using frequencies of the satellite band and substantially the air interface.

 
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< Direct-conversion receiver system and method with quadrature balancing and DC offset removal

> Radio telephone system allowing exchange of call setup parameters between associated or commonly owned mobile devices

> Radio base station apparatus and its loopback test method
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