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.

Frequency

380–470 MHz
Power

5 W
Isolation

> 1 dB
Insertion loss

< 7.5 dB
Connector

N-Female
Weight

11.6 kg

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Specifications

Electrical

Frequency range	380–470 MHz
Power handling	5 W
Insertion loss	<7.5 dB
Tx-Rx isolation	>1 dB
VSWR (max)	1.5
Impedance	5 Ω

Mechanical

RF connectors	N-Female
Weight	11.6 kg
Dimensions (H × W × D)	132 × 482 × 465 mm

Configuration

Channels	4
Topology	hybrid
Max Channel Spacing Mhz	20
Frequency Options	380-400, 400-420, 420-440, 440-460, 450-470
Temperature Range	-30°C to +60°C
Mounting	19-inch rack
Combiner Type	hybrid

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

Hybrid topology — > 100 dB isolation, broadband channel spacing
02

4 channels in a single 1U-equivalent chassis
03

5 factory sub-band options across 380-470 MHz

Technical brief

Four-channel hybrid

Same hybrid topology as the UHF 3-Channel Hybrid Combiner with one additional channel. The fourth channel adds another 3 dB stage — IL rises from 6.2 dB to 7.5 dB.

Solves these problems

Combining multiple UHF transmitters onto a single antenna

Tower owners and operators need to host multiple transmitters on one antenna without sacrificing transmit power or generating intermodulation products.