Description
CX-UHF5-ML UHF Antenna designed for professional 420–450 MHz marine communication systems. This high-gain marine UHF antenna delivers reliable long-range offshore and coastal communication performance for commercial vessels, harbour operations, offshore support vessels, workboats and professional vessel-to-shore communication networks.
The CX-UHF5-ML UHF Antenna is engineered for demanding marine RF environments where extended communication range, stable signal clarity and rugged offshore reliability are required.
CX-UHF5-ML UHF Antenna for 420–450 MHz Marine Communication
CX-UHF5-ML UHF antenna showing connector detail, full antenna assembly and supplied protective tube.The CX-UHF5-ML UHF Antenna is a professional high-gain omnidirectional marine antenna designed for commercial UHF communication systems operating across the 420–450 MHz frequency range.
With 5 dBd / 7.15 dBi / 10 Marine dB gain, 250W power handling, N-Female connector and IP68 marine-grade construction, this antenna is built for demanding coastal and offshore communication environments.
Professional Commercial Marine Installation
This installation image demonstrates the CX-UHF5-ML used in a professional commercial vessel environment. Correct antenna positioning, clear separation from surrounding equipment and elevated mounting help improve communication reliability across offshore and coastal operating areas.
Coastal & Offshore Communication Coverage
The CX-UHF5-ML is designed to support reliable vessel-to-shore, vessel-to-vessel and offshore communication paths. High-gain antenna performance helps extend practical communication range when installed in a clear, elevated position with suitable marine RF cable.
- Coastal communication systems
- Offshore support vessels
- Commercial workboats
- Harbour and port operations
- Professional vessel-to-shore communication
- Marine RF infrastructure networks
Marine RF System Integration
The CX-UHF5-ML integrates into complete professional marine RF systems including low-loss coaxial cable, marine UHF radios, DC power supplies, grounding systems and vessel communication networks.
For best performance, antenna selection should be considered as part of the whole system rather than as a standalone component. Cable quality, connector condition, grounding, mounting height and separation from onboard equipment all affect final communication performance.
Why Choose the CX-UHF5-ML UHF Antenna?
The CX-UHF5-ML UHF Antenna provides powerful, reliable 420–450 MHz marine communication coverage for commercial vessels and offshore operators requiring dependable long-range RF performance.
- High-gain 5 dBd performance for improved range and signal reliability
- 420–450 MHz frequency coverage for professional UHF marine systems
- 250W maximum input power for demanding communication installations
- N-Female connector for professional RF system integration
- IP68 ingress protection for harsh marine environments
- Marine-grade fibreglass construction for long-term durability
- 1″ 14TPI male thread for compatible marine mounting systems
Technical Specifications
| Product Group | UHF |
| Frequency Range | A: 420.0–450.0 MHz / B: 420.0–455.0 MHz / C: 415.0–455.0 MHz |
| Bandwidth | A: 30 MHz / B: 35 MHz / C: 40 MHz |
| Design | Collinear coaxial dipole |
| Pattern | Omnidirectional |
| Gain | 5 dBd / 7.15 dBi / 10 Marine dB |
| Nominal Impedance | 50 Ohm |
| Maximum Input Power | 250W |
| VSWR | A: <1.5:1 / B: <2.0:1 / C: <2.5:1 |
| Polarisation | Vertical |
| Connector | N-Female |
| DC Shorted | Yes |
| DC Grounded | Yes |
| Length | 2.17 m / 7.12 ft |
| Weight | 2.10 kg / 4.63 lb |
| Material | Fibreglass |
| Colour | White |
| Ingress Protection | IP68 |
| Thread | 1″ 14TPI male |
| Mounting | Mounting excluded |
Professional Marine Installation Recommendations
For maximum offshore communication performance, install the CX-UHF5-ML as high and as clear of obstructions as practical. Use suitable marine-grade mounting hardware, low-loss coaxial cable and properly sealed RF connections.
- Install high and clear for improved line-of-sight communication
- Maintain suitable separation from radar, AIS, VHF and other onboard antennas
- Use low-loss marine coaxial cable for long cable runs
- Protect RF connectors from moisture ingress
- Use correct grounding and surge protection where required
- Inspect antenna mounting and cable routing during routine maintenance
For wider UK radio spectrum and communication guidance, visit the official Ofcom website.
Related Marine RF Guides
Datasheets
Important Shipping Information
Please contact us directly for courier costs.
Due to the overall antenna length exceeding standard parcel carrier limits, delivery pricing may vary depending on destination, packaging requirements and courier availability.
Need Help Choosing The Right Marine UHF Antenna?
Contact F&C Marine for assistance with offshore communication systems, antenna mounting solutions, marine RF installations and professional vessel communication requirements.
Related F&C Marine guide
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