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DPX 30 : Duplexer/antenna combiner for scanners and wideband receivers
Modern wide band scanners have frequency ranges covering 100 kHz up to 2000 MHz and more. Unfortunately, most receivers have only a single antenna input socket for the complete frequency range.Antennas covering that vast range and giving uniform performance on all frequencies simply don't exist; the demands for shortwave antennas differ completely from VHF/UHF antennas and vice-versa. The DPX 30 makes it possible to combine the signals of a separate shortwave- and a separate VHF/UHF antenna to the single antenna input of the receiver without mutual influence. If only the VHF-UHF output is used, itprevents shortwave overload of wideband hand-held scanners connected to a discone or other VHF/UHF outdoor antenna. The greatest advantage of the DPX 30 compared to other duplexers is that there is no "gap" in which reception is impossible. Features: |