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28-37-04C
28-37-04C-duplexer
28-37-04C
28-37-04C, 144-174 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.

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

  • Isolation: Noise Suppression/Carrier Suppression
  • Insertion Loss: Tx Loss/Rx Loss
28-37-04C-duplexer
28-37-04C
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product specifications:
Item No
28-37-04C
Item Name
144-174 MHz, Duplexer
Frequency Range
144-174 MHz
Minimum Freq Separation
0.5 MHz
Power Rating
125 W
Isolation
65 dB
Insertion Loss
1.8 dB
Number of Cavities
4
Cavity Size
4" Dia.
VSWR
1.3:1
Impedance Ω
50
Dimensions H x W x D
9.5" x 19" x 10.5"
Tx-Rx Port Connectors
N
Antenna Connectors
N
Temperature Range
-30 to +60 °C
Shipping Weight
24 lbs.