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ALUNOR RF

Airband 8-Channel Receiver Multicoupler

112-137 MHz, 8 outputs, 0±6 dB gain, OIP3 > +25 dBm, P1dB > +17 dBm, > 20 dB inter-output isolation.

  • Frequency
    112–137 MHz
  • Connector
    N-Female
  • Weight
    3.2 kg
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Specifications

Electrical
Frequency range 112–137 MHz
VSWR (max) 2.5
Impedance 5 Ω
Mechanical
RF connectors N-Female
Weight 3.2 kg
Dimensions (H × W × D) 44 × 482 × 355 mm
Configuration
Channels 8
Gain Db 0 ± 6
Gain Variance Db < 4.5
Oip3 Dbm 25
P1db Dbm 17
Input Vswr 2.5:1
Output Vswr 1.5:1
Output Isolation Db 20
Ac Power 220 VAC
Dc Power 12 VDC
Temperature Range -30°C to +60°C
Mounting 19-inch rack
Band airband
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) tuned for ATC and ground-air operations

  • 02

    8 outputs from one antenna with > 20 dB inter-output isolation

  • 03

    AC + DC redundant power

Technical brief

Airband multicoupler

Air-traffic-control / aviation-band variant of the 8-channel multicoupler. Same gain and linearity specs as the VHF 8-channel, retuned for 112-137 MHz with 220 VAC mains.

Solves these problems

Distributing one antenna feed across multiple receivers without sensitivity loss

A single high-quality receive antenna feeding multiple receivers — without splitting the signal level so far that sensitivity collapses, and without one receiver loading another.

Need a custom configuration?

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