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    Telecommunication duplexers band 28 antenna duplexer for RX TX bi-directional communication 703-748MHz 758-803MHz


    Part No.: DP-B28-SMA-G40

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    • Product description
    • Telecommunication duplexers band 28 antenna duplexer for RX TX bi-directional communication 703-748MHz 758-803MHz

       

      Description.


      Duplexer is a 3 ports device most commonly used to allow a transmitter and receiver to operate on different frequencies, to share a common antenna while operating simultaneously. The filters that make up the duplexer isolate the transmitter from the receiver by doing two important functions--Function1, to filter out any transmitter noise sidebands that are being generated on the receive frequency, function 1 is the most important. Function2, to protect the receiver from transmitter carrier overload     

              _________________________________________    TECHNICAL SPECIFICATIONS    ________________________________________ 

      Electricals
      Part No.
      DP-B28-SMA-G40
      Frequency range
      RX: 703-748 MHz
      TX: 758-803 MHz
      Insertion loss
      <1.5dB
      <1.5dB
      Ripple in band
      <1dB
      <1dB
      Return loss
      >18dB
      >18dB
      RX-TX Isolation
      >60dB
      Power Rating
      20W
      Impedance
      50Ω
      Mechanicals
      Connectors
      SMA Female
      Operating temperature
      -30℃~+70℃
      Appearance
      Surface spray paint black
       

            _____________________________________________       RELATED PRODUCTS         _________________________________________

      Key words:
      • Telecommunication duplexers
      • antenna duplexer
      • bi-directional communication