Digital Antenna - 578-SB 4' AIS Antenna

Discover the Marine Marvel: AIS Antennas

For vessels aiming to meet the USCG Automatic Identification System (AIS) requirements, Digital Antenna presents its impeccable range of 4' AIS antennas. Not just any antenna, but a meticulously crafted piece that aligns perfectly with AIS frequency necessities. Its matchless compatibility with all AIS transponders ensures a smooth marine experience.

Specifications That Speak Volumes

Each AIS antenna is designed with an impressively low 1.5:1.0 SWR ratio, spanning from 159-162 MHz. Thanks to Digital Antenna's dedication, the 4.5 dB gain on these antennas promises superior durability and unmatched performance.

Dimensions of Distinction

The AIS antennas boast a length of 4' and have a 4.5dB Gain, making them ideal for marine communication needs.

Dive into the Details

The renowned 500 GOLD Series is not only known for its top-notch performance but also for its simplistic installation connector system. Its unique gold factory-attached mini-UHF female connector with a PL-259 (UHF) adapter makes the connection to the AIS transponder a cakewalk. Say goodbye to the tedious soldering of connectors!

Domestic Excellence

Quality is a commitment at Digital Antenna. Each of our antennas is proudly made, assembled, tested, and tuned in the USA. Handled with precision and care, they embody unmatched performance, supreme quality, and long-lasting durability.

Highlighting Excellence

• Brass radiators that exude power
• Perfectly soldered connections
• Efficient power-directing ferrite choke bead
• Elegant high gloss urethane finish
• Sturdy 316 stainless steel ferrule
• Consistent 4.5dB gain

Gold Series Gleam

• Mount that fits the standard 114 threaded base
• Ready-to-use gold factory-attached mini-UHF female connector
• 25 feet of UV stable RG-8X marine cable, marked by its low-loss, tinned braid and foil shielding