COMROD AV51BI (AIS) – 4′ Marine VHF Antenna
The COMROD AV51BI is a 4-foot marine VHF antenna designed for AIS applications, weighing 3 lbs (1.36 kg). It enhances communication capabilities on marine vessels, allowing for improved navigation and safety.
Compatibility & Applications
- Fits yachts, fishing boats, and commercial vessels requiring VHF communication.
- Pairs with VHF radios and AIS transponders for enhanced situational awareness.
- Mounts to standard 1-inch mounting brackets commonly used in marine applications.
- Wires to 12V DC systems and integrates with NMEA 2000 networks for data sharing.
- Replaces older VHF antennas such as Shakespeare 5225 and Galaxy 5225-XT.
- Includes necessary mounting hardware for installation on various hull types.
The antenna’s robust design and UV-resistant finish ensure durability against harsh marine conditions. It is commonly installed on the flybridge of yachts, providing reliable communication for navigation and safety. The unit’s superior construction differentiates it from generic antennas, ensuring optimal signal reception and longevity.







