Phase III Stay Connected. Entertained. Secure.

Our line of Phase III® marine antennas started with the idea to improve the best antennas. Through close collaboration with professionals in the civil and military markets, we were able to produce the finest, highest performing marine antennas ever built. Backed by our 8 year warranty, these antennas are built to last in the harshest marine environments. To maximize the performance of your marine radio, choose our Phase III® products.