HC150-4 VHF RF Combiner 4 Port (150-174 MHz)
HC150 4 Way RF Combiner is a high-performance, 4-channel VHF cavity combiner designed for telecommunications infrastructure, emergency services, and private radio networks. Engineered for maximum isolation and minimum insertion loss, it allows four transmitters to share a single antenna system without interference or intermodulation issues. HC150-4 utilizes high-Q temperature-compensated cavities to provide a stable, reliable solution for congested RF environments. Its robust mechanical design ensures long-term frequency stability even under continuous-duty cycles.
Features
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High Port-to-Port Isolation: Prevents transmitter interaction and reduces intermodulation products.
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Low Insertion Loss: Maximizes signal strength and coverage area.
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Compact 19-inch Rack Mount: Designed for easy integration into standard equipment racks.
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Broadband Response: Covers the full 150–174 MHz VHF high-band spectrum.
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Expandable Architecture: Modular design allows for future system scaling.
Specifications
| Specification | Value |
| Frequency Range | 150 – 174 MHz |
| Number of Channels | 4 |
| Channel Spacing (Min) | 125 kHz (Standard) |
| Input Power (Max) | 100W per channel |
| Isolation (Ant-to-TX) | > 70 dB |
| Isolation (TX-to-TX) | > 80 dB |
| Insertion Loss | < 3.5 dB (Typical) |
| Impedance | 50 $\Omega$ |
| Connector Type | N-Female (Standard) |
| Operating Temp | -30°C to +60°C |
Applications
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Public Safety: Fire, Police, and EMS radio dispatch centers.
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Industrial: Private Land Mobile Radio (PLMR) for utilities and transport.
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Paging Systems: Efficient distribution of high-power paging signals.
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Marine Radio: Centralized shore-to-ship communication hubs.
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