UHF 4-Channel Cavity Combiner (8-Inch)
380-470 MHz, 4 channels, 150 W/port, > 75 dB isolation, 3.4 dB IL @ ΔTx 450 kHz. 18U.
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Frequency380–470 MHz
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Power15 W
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Isolation> 75 dB
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Insertion loss< 3.4 dB
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ConnectorN-Female
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Weight20 kg
Specifications
| Frequency range | 380–470 MHz |
|---|---|
| Power handling | 15 W |
| Insertion loss | <3.4 dB |
| Tx-Rx isolation | >75 dB |
| VSWR (max) | 1.5 |
| Impedance | 5 Ω |
| RF connectors | N-Female |
|---|---|
| Weight | 20 kg |
| Dimensions (H × W × D) | 420 × 482 × 800 mm |
| Channels | 4 |
|---|---|
| Cavity Diameter Inch | 8 |
| Min Tx Spacing Khz | 250 |
| Il At Dtx 450khz Db | 3.4 |
| Frequency Stability | 0.8 ppm/°C |
| Rack Units | 18 |
| Temperature Range | -30°C to +60°C |
| Mounting | 19-inch rack |
| Combiner Type | cavity |
All measurements at 25 °C, 50 Ω, unless otherwise noted.
Why this product
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01
UHF combining at > 75 dB isolation per port
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02
150 W continuous-duty per channel — 4 transmitters share one antenna
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03
18U rack chassis with sweep report on every unit
Technical brief
Four-port UHF combiner
UHF combiner counterpart to the VHF-CMB-4-8. Tx-Tx spacing > 250 kHz with isolation > 75 dB. 8-inch cavities for thermal margin.
Compatible with
Related products
UHF 4-Channel Hybrid Combiner
380-470 MHz (5 sub-bands), 4 channels, 50 W/port, > 100 dB isolation, 7.5 dB IL. < 20 MHz spacing.
- Freq
- 380–470 MHz
- Power
- 5 W
- Isolation
- > 1 dB
UHF 3-Channel Hybrid Combiner
380-470 MHz (5 sub-bands), 3 channels, 50 W/port, > 100 dB isolation, 6.2 dB IL. < 20 MHz spacing.
- Freq
- 380–470 MHz
- Power
- 5 W
- Isolation
- > 1 dB
UHF 8-Channel Cavity Combiner (8-Inch)
380-470 MHz, 8 channels, 150 W/port, > 75 dB isolation, 4.0 dB IL @ ΔTx 450 kHz. 36U.
- Freq
- 380–470 MHz
- Power
- 15 W
- Isolation
- > 75 dB
7-Channel Cavity Combiner UHF (8-Inch)
7 channel UHF combiner, 380-470 MHz, > 75 dB Tx-Tx isolation, 3.9 dB IL @ 450 kHz, 150 W.
- Freq
- 380–470 MHz
- Power
- 15 W
- Isolation
- > 75 dB
6-Channel Cavity Combiner UHF (8-Inch)
6 channel UHF combiner, 380-470 MHz, > 75 dB Tx-Tx isolation, 3.8 dB IL @ 450 kHz, 150 W.
- Freq
- 380–470 MHz
- Power
- 15 W
- Isolation
- > 75 dB
5-Channel Cavity Combiner UHF (8-Inch)
5 channel UHF combiner, 380-470 MHz, > 75 dB Tx-Tx isolation, 3.7 dB IL @ 450 kHz, 150 W.
- Freq
- 380–470 MHz
- Power
- 15 W
- Isolation
- > 75 dB
Need a custom configuration?
Talk to an application engineer about variants, custom tuning, or integration into an existing repeater chassis.