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Cavity Pass-Reject VHF (6-Inch)

136-175 MHz, 6-inch cavity pass-reject, 0.3-2 dB IL tunable, 300 W, 3.46 kg.

  • Frequency
    136–175 MHz
  • Power
    3 W
  • Connector
    N(f)
  • Weight
    3.5 kg
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Specifications

Electrical
Frequency range 136–175 MHz
Max. Input Power 3 W
VSWR (max) 1.5
Impedance 5 Ω
Mechanical
RF connectors N(f)
Weight 3.5 kg
Dimensions 600 × 152 × 152 mm
Configuration
Cavity Diameter Inch 6
Frequency Stability 0.8 ppm/C
Temperature Range -30C to +60C
Mounting Suitable for 19 Inch Rack Cabinet Mounting
Cavity Type BP BR
Filter Type Pass-Reject
Rf Connectors N(f)
Insertion Loss 0.3 dB - 2 dB Tuneable
Verified 2026-05-06 · ALUNOR RF Engineering · source: ALUNOR RF Technical Catalogue 2026-01-21

All measurements at 25 °C, 50 Ω, unless otherwise noted.

Why this product

  • 01

    6-inch cavity for higher Q than 5-inch

  • 02

    300 W continuous duty

  • 03

    Tunable across 136-175 MHz

Technical brief

## Construction
6-inch cavity tuned for VHF pass-reject filtering, the standard size for most VHF infrastructure deployments. Higher Q-factor than the 5-inch variant.
## Where this fits
Default choice for VHF repeater pre-selection and intermod rejection in collocated multi-transmitter sites.

Need a custom configuration?

Talk to an application engineer about variants, custom tuning, or integration into an existing repeater chassis.