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Cavity Airband Bandpass — 8-Inch

112-137 MHz, single 8-inch cavity, 0.5 dB IL @ 300 W or 2.0 dB IL @ 125 W (tunable).

  • Frequency
    112–137 MHz
  • Connector
    N(f)
  • Weight
    5 kg
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Specifications

Electrical
Frequency range 112–137 MHz
VSWR (max) 1.5
Impedance 5 Ω
Mechanical
RF connectors N(f)
Weight 5 kg
Configuration
Cavity Diameter Inch 8
Il Alt 2.0 dB @ 125 W tighter BW
Frequency Stability 0.8 ppm/°C
Temperature Range -30°C to +60°C
Mounting Suitable for 19 Inch Rack Cabinet Mounting
Band airband
Cavity Type BP BR
Dimensions 800 x 200 x 200 mm
Insertion Loss 0.5 dB - 2dB Tunable
Rf Connectors N(f)
Max Input Power 0.5 dB IL 300 W 2.0 dB IL 125 W
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

    Airband 112-137 MHz, 8-inch high-Q cavity

  • 02

    Tunable IL/power — 0.5 dB @ 300 W or 2.0 dB @ 125 W

  • 03

    ATC and ground-air receiver protection

Technical brief

Airband bandpass

8-inch single-cavity airband bandpass — receiver protection, ATC infrastructure. 5 kg / 800 mm.

Need a custom configuration?

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