12-Channel VHF Receiver Multicoupler

145-175 MHz, splits one antenna into 12 receivers, gain 0 +/- 6 dB, OIP3 > +25 dBm, output isolation > 20 dB.

Frequency

145–175 MHz
Connector

N-Female
Weight

4.2 kg

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Specifications

Electrical

Frequency range	145–175 MHz
VSWR (max)	1.5
Impedance	5 Ω

Mechanical

RF connectors	N-Female
Weight	4.2 kg
Dimensions (H × W × D)	88 × 482 × 355 mm

Configuration

Channels	12
Gain Db	0 +/- 6
Gain Variance Db Max	4.5
Oip3 Dbm Min	25
P1db Dbm Min	17
Input Vswr Max	2.5
Output Vswr Max	1.5
Isolation Between Outputs Db Min	20
Ac Supply	100-127 VAC / 198-264 VAC, 50-60 Hz
Dc Supply	12 VDC / 400 mA max
Ac Connector	IEC60320-1 C14
Dc Connector	3-pole screw terminal
Mounting	19-inch rack (2U)
Temperature Range	-30C to +60C

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

1:12 split with > 20 dB output isolation per port
02

OIP3 > +25 dBm preamp linearity
03

Redundant AC + 12 VDC supply inputs

Technical brief

## Topology
Low-noise preamp + 1:12 active splitter with per-port output isolation > 20 dB. AC and DC redundant power inputs.
## Where this fits
Multi-receiver VHF dispatch sites, public-safety voting receivers, broadcast monitoring with 12 listening points.