Description
UHF marine antenna system — CX-UHF3-MH-C Marine UHF Antenna Marine UHF antenna CX-UHF3-MH-C from AC Antennas is a professional high gain 3 dBd antenna designed for extended range UHF communication across the 435–480 MHz frequency range. This marine UHF antenna features an N type female.
CX-UHF3-MH-C Marine UHF Antenna 435–480 MHz 3 dBd
CX-UHF3-MH-C Marine UHF Antenna
Marine UHF antenna CX-UHF3-MH-C from AC Antennas is a professional 3 dBd / 6 Marine dB omnidirectional antenna engineered for commercial marine and land-based UHF communication systems operating across the 435–480 MHz frequency range.
Designed for offshore support vessels, harbour coordination systems, coastal communications infrastructure and industrial marine RF networks, the CX-UHF3-MH-C provides dependable medium-range UHF performance in demanding marine environments.
Featuring 220W power handling, an N-Female connector, supplied N239F swivel nut mount, DC grounding, IP68 protection and marine-grade fibreglass construction, this antenna is built for professional RF installations on sea and land.
Commercial Marine UHF Antenna Guide
Compare marine UHF antenna gain, frequency ranges, mounting systems, RF cable selection, installation guidance and offshore communication system considerations for professional marine UHF installations.
CX-UHF3-MH-C Marine UHF Antenna Performance
The CX-UHF3-MH-C is engineered to provide reliable commercial UHF communication performance across the upper mid-band UHF range. Its 3 dBd gain offers improved range compared with lower gain antennas while retaining a practical omnidirectional radiation pattern for marine and land-based installations.
This makes it suitable for vessel-to-shore links, offshore coordination, harbour operations, coastal RF infrastructure and industrial communication systems where a professionally matched UHF antenna is required.
Marine UHF Installation & RF Guides
Learn more about UHF antenna selection, mounting, cable loss, SWR testing and RF system optimisation for commercial marine installations.
Technical Specifications
| Product | CX-UHF3-MH-C |
| Part Number | 330027-T |
| Product Group | UHF |
| Design | Collinear coaxial dipole |
| Pattern | Omnidirectional |
| Frequency Range | A: 440–470 MHz B: 435–475 MHz C: 435–480 MHz |
| Bandwidth | A: 30 MHz B: 40 MHz C: 45 MHz |
| Nominal Impedance | 50 Ohm |
| Maximum Input Power | 220W |
| Gain | 3 dBd / 5.15 dBi / 6 Marine dB |
| 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 | 1.27m / 4.17ft |
| Weight | 0.60kg / 1.34lbs |
| Survival Wind Speed | 200 km/h / 55 m/s / 124 mph |
| Wind Area | 0.0214 m² / 0.2304 ft² |
| Material | Fibreglass |
| Colour | White |
| Ingress Protection | IP68 |
| Thread | 1″ 14TPI male / ISO 228/1-G1 female |
| Mounting | N239F swivel nut included |
| Operating Temperature | -55°C to +70°C / -67°F to +158°F |
Typical Applications
- Offshore support vessel communications
- Commercial marine RF systems
- Harbour and port authority communications
- Industrial marine communications infrastructure
- Fleet coordination systems
- Marine utility vessel communications
- Coastal RF communication systems
- Professional marine radio networks
Mounting & Compatibility
The CX-UHF3-MH-C is supplied with an N239F swivel nut and supports professional marine installation where a secure 1″ 14TPI antenna mounting arrangement is required. Correct mounting height, antenna separation and RF cable selection are important for reliable UHF performance.
- Marine UHF Antenna Mounting Guide
- Marine Antenna Thread Sizes
- Marine Antenna Mount Compatibility Guide
Downloads
Download CX-UHF3-MH-C Datasheet PDF
Related Products & System Components
- View All Marine UHF Antennas
- Commercial Marine UHF Antenna Guide
- View More AC Antennas Products
Manufacturer Information
For UHF marine antenna system supply or replacement enquiries, confirm the exact model or part reference against the equipment already installed. Installation requirements for the UHF marine antenna system should be checked against the vessel or shore-side system before ordering. F&C Marine can help confirm UHF marine antenna system compatibility where existing equipment details are available.
For UHF marine antenna system supply, compatibility or installation advice, contact F&C Marine.
Related F&C Marine guide
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