Description
N298F Mast Mount – SS316 Stainless Steel Marine Antenna Mount
Heavy-duty stainless steel antenna mount for mast, rail and wall installations.
The AC Antennas N298F Mast Mount is a premium SS316 stainless steel mounting solution designed for demanding marine environments. Suitable for mast, rail and wall installations, it provides a strong and corrosion-resistant mounting platform for marine communication antennas.
Featuring an ISO 228/1-G1 male thread and supplied complete with SS316 stainless steel U-bolts, the N298F is ideal for professional VHF, AIS, UHF, GPS and cellular antenna installations on commercial vessels, workboats, yachts and shore-based marine systems.

N298F Mast Mount Key Features
- SS316 stainless steel construction: excellent durability in exposed marine environments
- ISO 228/1-G1 male thread: suitable for compatible marine antenna mounting systems
- Universal installation: mast, rail or wall mounting
- Supplied hardware: includes SS316 stainless steel U-bolts
- Mounting diameter: suitable for Ø26–46mm rails, poles or support pipes
- Professional application: suitable for VHF, AIS, UHF, GPS and cellular antenna systems
Built for Marine and Offshore Installations
The N298F is designed for installations where mechanical strength and corrosion resistance are important. Its SS316 stainless steel construction makes it well suited to harsh saltwater environments, exposed mast positions, commercial vessels and workboat installations.
The versatile bracket arrangement allows the mount to be installed on vertical poles, horizontal rails or suitable wall structures. This gives installers flexibility when positioning antennas for height, clearance, cable routing and communication performance.
Marine Installation Ready
The N298F is supplied complete with SS316 stainless steel U-bolts and is designed for straightforward installation on suitable mast, rail or wall structures. Its stainless steel construction provides long-term durability for exposed marine communication installations.
Technical Specifications
| Product | N298F Mast Mount |
|---|---|
| Part Number | 900027-P |
| Manufacturer | AC Antennas |
| Product Group | Marine Antenna Mount |
| Material | SS316 Stainless Steel |
| Colour | Steel Grey |
| Thread Type | ISO 228/1-G1 Male |
| Rail / Mast Diameter | Ø26–46mm |
| Mounting Hardware | SS316 U-bolts included |
| Weight | 0.70kg |
| Dimensions | 0.06 x 0.08 x 0.15m |
Compatibility Information
The N298F is designed for installations requiring an ISO 228/1-G1 male thread mounting interface. Always check antenna and adaptor compatibility before installation, especially when replacing an older mount or mixing different thread standards.
Browse our complete range of Marine Antenna Mounts including mast mounts, rail mounts, deck mounts, adaptors and installation accessories.
Installation Guidance
Correct antenna mounting plays a significant role in communication performance. Position antennas as high and clear as practical while maintaining adequate separation from radar scanners, metal structures and other transmitting antennas.
Commonly Used With
The N298F is often installed alongside marine communication and navigation systems requiring a robust stainless steel mounting solution.
- Marine VHF antennas
- AIS antennas
- UHF communication antennas
- Marine cellular antennas
- GPS and GNSS antennas
- Marine data and telemetry systems
Need Technical Advice?
If you are replacing an existing antenna mount or selecting a new mounting arrangement for a VHF, AIS, UHF, GPS or cellular antenna installation, F&C Marine can help identify the correct mount, thread type and installation hardware.
Frequently Asked Questions
What thread does the N298F use?
The N298F features an ISO 228/1-G1 male thread connection.
Can the N298F be mounted on a rail?
Yes. The N298F is designed for mast, rail and wall mounting applications using the supplied SS316 stainless steel U-bolts.
What pole size does the N298F fit?
The mount is suitable for support poles, rails and masts from Ø26mm to Ø46mm.
Why choose SS316 stainless steel?
SS316 stainless steel provides excellent corrosion resistance in marine environments and is widely used for exposed marine hardware.
What is the difference between the N298F and N275F?
The N298F is manufactured from SS316 stainless steel, making it ideal for installations where maximum corrosion resistance and durability are required. The N275F uses anodised aluminium construction and accommodates a wider mounting diameter range. Both mounts support mast, rail and wall installations but are suited to different installation requirements.
Downloads
- AC Antennas Marine Catalogue
More AC Antennas Products
Browse the complete range of AC Antennas marine communication products including VHF antennas, AIS antennas, UHF antennas, HF antennas and antenna mounting systems.
Manufacturer Resources
Why Buy From F&C Marine?
F&C Marine supplies professional marine communication equipment and antenna systems for leisure, commercial and offshore applications. Our experience with marine VHF, AIS, UHF, HF and satellite communication systems allows us to provide practical installation advice, mount compatibility guidance and technical support across the AC Antennas product range.
Whether you are replacing an existing antenna mount or designing a new communication system, we can help identify the correct mounting hardware for your installation.
For N298F Mast Mount supply or replacement enquiries, confirm the exact model or part reference against the equipment already installed. Installation requirements for the N298F Mast Mount should be checked against the vessel or shore-side system before ordering.
For N298F Mast Mount supply, compatibility or installation advice, contact F&C Marine.

























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