Cavity VHF Bandpass — 8-Inch
136-175 MHz, single 8-inch cavity, 0.5 dB IL @ 350 W or 2.0 dB IL @ 125 W (tunable).
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Frequency136–175 MHz
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Power35 W
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Insertion loss< 0.5 dB
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ConnectorN-Female
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Weight4.4 kg
Specifications
| Frequency range | 136–175 MHz |
|---|---|
| Power handling | 35 W |
| Insertion loss | <0.5 dB |
| VSWR (max) | 1.5 |
| Impedance | 5 Ω |
| RF connectors | N-Female |
|---|---|
| Weight | 4.4 kg |
| Dimensions (H × W × D) | 600 × 482 × 200 mm |
| Cavity Count | 1 |
|---|---|
| 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 | 19-inch rack |
All measurements at 25 °C, 50 Ω, unless otherwise noted.
Why this product
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01
8-inch high-Q cavity for sharpest VHF bandpass response
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02
Same tunable IL/power trade as 6-inch sibling
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03
Premium choice for tight Tx-Rx separation systems
Technical brief
Largest single-cavity VHF bandpass
8-inch diameter raises Q-factor — sharper passband, lower IL at the same bandwidth, and improved thermal margin. 4.4 kg / 600 mm.
Related products
Cavity Pass-Reject VHF (8-Inch)
136-175 MHz, 8-inch cavity pass-reject, 0.3-2 dB IL tunable, 300 W, 4.4 kg.
- Freq
- 136–175 MHz
- Power
- 3 W
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.
- Freq
- 136–175 MHz
- Power
- 3 W
Cavity Pass-Reject VHF (5-Inch)
136-175 MHz, 5-inch cavity pass-reject, 0.3-2 dB IL tunable, 300 W, 2.35 kg.
- Freq
- 136–175 MHz
- Power
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Cavity Bandpass VHF (5-Inch)
136-175 MHz, 5-inch cavity bandpass, 0.6-2 dB IL tunable, 300 W, 2.35 kg.
- Freq
- 136–175 MHz
- Power
- 3 W
Cavity VHF Bandpass — 6-Inch
136-175 MHz, single 6-inch cavity, 0.5 dB IL @ 350 W or 2.0 dB IL @ 125 W (tunable).
- Freq
- 136–175 MHz
- Power
- 35 W
Dual-Cavity Bandpass Airband Filter (8-Inch)
112-137 MHz, dual cavity bandpass, 0.5-2 dB IL tunable, > 18 dB return loss, 350 W.
- Freq
- 112–137 MHz
- Power
- 35 W
Need a custom configuration?
Talk to an application engineer about variants, custom tuning, or integration into an existing repeater chassis.