1. Radio Communication
  2. RF Filters and Systems
  3. Duplexers
place hoder Q2220-E Q2220-E

VHF, Band Pass-Band Reject Duplexer, 138-174 MHz, 4 Cavities (4"Dia.), 500 kHz, 350 Watt, N Female.

Model: Q2220-E
Brand: SINCLAIR
Warranty: 3 years

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On Open Box (*A) 1541.2
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Product Specifications


      VHF, Band Pass / Band Reject Duplexer, 138-174 MHz, 350 Watt.

  • 1/4 wave bandpass filter
  • Reduces interference, intermodulation, and desensitization
  • Eliminates spurious radiation
  • Copper/silver inner conductors, silver-plated to eliminate corrosion and improve performance.
  • Recommended for areas with a lot of interference.
  • One year of warranty.

      Specifications: 

  • Frequency range: 138-174 MHz.
  • Minimum isolation: 70 dB.
  • Impedance: 50 Ω.
  • Max. Power: 350 W.
  • Frequency separation: 0.5 MHz.
  • Insertion Loss (Max.): 1.5 dB.
  • Cavities: 4 (4" Diameter).
  • Connectors: N female.
  • Dimensions: 4.17 x 19 x 30.3 in.
  • Weight: 28 lbs.
  • Operation Temperature: -40 to +140 ºF.

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Technical specifications, characteristics, functions, colors, prices and pictures are true as of last update of this website. Due to occasional changes in technology some of these mentioned may change. The final prices are calculated with a 4% additional discount considering payment method is cash or wire transfer. The price can increase depending on the payment type.
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