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).
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Frequency112–137 MHz
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ConnectorN(f)
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Weight5 kg
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
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01
Airband 112-137 MHz, 8-inch high-Q cavity
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02
Tunable IL/power — 0.5 dB @ 300 W or 2.0 dB @ 125 W
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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.