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ALUNOR RF

3-Channel Cavity Combiner UHF (8-Inch)

3 channel UHF combiner, 380-470 MHz, > 75 dB Tx-Tx isolation, 3.0 dB IL @ 450 kHz, 150 W.

  • Frequency
    380–470 MHz
  • Power
    15 W
  • Isolation
    > 75 dB
  • Insertion loss
    < 3 dB
  • Connector
    N-Female
  • Weight
    15 kg
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Specifications

Electrical
Frequency range 380–470 MHz
Power handling 15 W
Insertion loss <3 dB
Tx-Rx isolation >75 dB
VSWR (max) 1.5
Impedance 5 Ω
Mechanical
RF connectors N-Female
Weight 15 kg
Dimensions (H × W × D) 420 × 482 × 578 mm
Configuration
Channels 3
Cavity Diameter Inch 8
Isolation Db 75
Min Spacing Khz 250
Insertion Loss Db At 450khz 3
Frequency Stability 0.8 ppm/C
Temperature Range -30C to +60C
Mounting 19-inch rack (13U)
Combiner Type cavity
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

    Three 8-inch UHF cavities

  • 02

    > 75 dB Tx-Tx isolation

  • 03

    15 kg / 13U rack

Technical brief

## Topology
Three 8-inch UHF cavities, per-channel ferrites.
## Where this fits
Mid-density UHF sites, three TETRA/DMR/P25 carriers on a shared antenna.

Need a custom configuration?

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