Selecting a Marine Radio Antenna
Reliable communication is critical on the water, and it all starts with a high-quality VHF antenna. Our curated selection of marine VHF antennas is built to keep you connected, whether you're offshore, in the harbor, or navigating along the coast. Exceptional Signal Clarity: Choose from top-rated antennas designed to maximize transmission range and reception. Durable Marine-Grade Materials: Built to withstand saltwater, sun, and rough seas. Fits All Vessel Types: Options available for sailboats, fishing boats, yachts, and center consoles.From compact 3-foot models for smaller boats to 8-foot high-gain antennas for long-range communication, you’ll find the perfect solution to suit your needs. Browse trusted brands and equip your vessel with a VHF antenna that delivers performance when it matters most.Stay safe. Stay connected. Shop our VHF antennas today.
Pairing a VHF radio with an antenna involves choosing compatible hardware and ensuring proper installation for optimal signal performance. Here's a clear step-by-step guide:
1. Match the VHF Radio and Antenna Type
VHF marine radios operate on the 156–162 MHz frequency range.
Make sure your antenna is rated for marine VHF frequencies (not UHF or CB).
2. Choose the Right Antenna Length and Gain
3 ft (low gain, ~3 dB): Great for small boats or sailboats with rocking motion.
8 ft (medium gain, ~6 dB): Common for most powerboats.
Over 8 ft (high gain, ~9 dB): Best for tall mounts and stable boats.
Tip: Higher gain = longer range on flat water, but lower tolerance for boat rocking.
3. Select the Correct Mount
Match the antenna base to your chosen mount (standard 1" x 14 thread is common).
Ensure the mount is appropriate for your boat (rail mount, ratchet mount, etc.).
4. Use the Right Coaxial Cable and Connector
Use RG-58 coaxial cable for runs under 20 ft; RG-8X or RG-213 for longer runs.
Avoid splicing the cable. If you must, use proper connectors.
Install a PL-259 connector on the radio end to fit the radio's SO-239 socket.
5. Install and Connect
Mount the antenna vertically and as high as possible (VHF is line-of-sight).
Route the cable away from power wires to avoid interference.
Connect the PL-259 plug from the antenna cable to the back of the radio.
6. Test the Setup
Power on the radio.
Perform a radio check (channel 9 or 16 is for distress/emergency—use channel 72 or 69 for checks).
Or use a SWR meter to test signal reflection/loss.
Best Practices
Ensure waterproofing at all connections with shrink tubing or sealing tape.
Regularly check for corrosion and wear, especially in marine environments.
If you share your VHF radio and antenna models, I can double-check compatibility or suggest the best pairing.