Patent ID: 6339408
Filing Date: 2002-01-15
Classification: H01Q

Abstract:
A hand-held mobile radio communication device for direct communication with a satellite, wherein said hand-held mobile radio communication device comprising:an antenna for receiving and/or transmitting circular polarized RF signals in at least a first and a second frequency band, said communication device having N radiating elements, where N is an integer greater than one, support means arranged to support said radiating elements, and an electromechanical interface arranged to be connectable to a first transceiving circuitry mounted on a first circuit carrier in said communication device and having at least one connection member, each of said N radiating elements arranged to operate in both said first and said second frequency band, said communication device further including at least a second circuitry, and said second circuitry including at least one phasing network, N first ports arranged to be connected to said radiating elements, at least one second port arranged to be connected to said connection member, said second circuitry is arranged on at least one second circuit carrier and mounted to said support means, and N diplexers, each connected to one of said radiating elements for transceiving RF signals from said N radiating elements, diplexing said RF signals into at least a first Tx frequency and at least a first Rx frequency, transceiving said at least first Tx frequency to a first phasing network, transceiving said first Rx frequency to a second phasing network, said first phasing network being connected to a first connection member and said second phasing network being connected to a second connection member, and wherein said diplexers being mounted to said support means and completely enclosed in a housing.