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28-70-15H, 450-470 MHz, Duplexer

  • TX RX Systems offers a wide variety of Duplexer options to suit your application, including Vari-Notch®, Bandpass, and notch type circuits
  • Vari-Notch® design provides low loss and high isolation in a compact package
  • All high RF-current components silver-plated for highest performance
  • Various models to choose from to match your application.


Specifications for duplexers of unsymmetrical construction or response are listed as follows:

  • Isolation: Noise Suppression/Carrier Suppression
  • Insertion Loss: Tx Loss/Rx Loss





Product Specifications 
Item No28-70-15H
Item Name450-470 MHz, Duplexer
Frequency Range450-470 MHz
Minimum Freq Separation5.0 MHz
Power Rating100 W
Isolation80 dB
Insertion Loss1.2 dB
Number of Cavities4
Cavity Size1.25" x 2" rect.
Impedance Ω50
Dimensions H x W x D2.7" x 5.12" x 7.4"
Tx-Rx Port ConnectorsBNC
Antenna ConnectorsUHF
Temperature Range-30 to +60 °C
Shipping Weight5 lbs.