Phase III 4' VHF/AIS Antenna

Specially engineered for the extra bandwidth required by AIS transceivers, this Phase III™ antenna enables reliable communication over marine VHF frequencies.

Through close collaboration with professionals in the civil and military markets, they were able to produce the finest, highest performing marine antennas ever built. Backed by an eight-year warranty, these antennas are built to last in the harshest marine environments. 

Built for performance and durability, this flagship Phase III™ VHF antenna will stand strong against high speeds and high winds. Combining innovative construction of a ethafoam spacer system in a fiberglass radome with a sleek and luxurious appearance, this antenna is a master of VHF communication. To maximize the performance of your marine radio, choose Phase III™ products.