DIGITAL ANTENNA 4′ 4.5dB Marine AIS w/ 25′ cable (Black)
The DIGITAL ANTENNA 4′ 4.5dB Marine AIS is a specialized antenna designed for Automatic Identification System (AIS) applications, featuring a height of 4 feet and a gain of 4.5 dB. It is designed for installation on marine vessels to enhance communication and navigation safety.
Compatibility & Applications
- Fits AIS systems on sailboats, motorboats, and commercial vessels.
- Pairs with VHF radios and AIS transponders for enhanced tracking.
- Mounts on masts or hardtops, ensuring optimal signal reception.
- Replaces standard AIS antennas up to 4 feet in height, such as the Shakespeare 5400.
- Wires to 12V DC systems and integrates with NMEA 2000 networks.
- Includes a 25-foot cable for flexible installation options.
The antenna enhances AIS data signal strength, crucial for safe navigation. For instance, it can be installed on a sailboat’s mast to improve tracking capabilities. Its robust design with an IP66 rating ensures durability in harsh marine environments, distinguishing it from standard antennas.







