Digital 594-MW-S 4ft White VHF/ AIS Antenna 4.5dB

The Digital 594-MW-S 4ft White AIS Antenna is a purpose-built, single-antenna solution optimized for Digital AIS and VHF performance. Built for reliability on water, it delivers broad, omnidirectional coverage on vessels of all sizes.

• Radiation Pattern: Omni-Directional
• Gain: 4.5 dBi
• Bandwidth & SWR: 56–162.5 MHz with SWR under 1.5:1
• Cable: 15 ft Digital Antenna exclusive low-loss RG-8X
• Impedance: 50 ohms
• Max Input Power: 50 watts
• Exterior Finish: White polyurethane high-gloss UV-stable
• Dimensions: 4 ft length, 1" OD taper
• Weight: 1.7 lbs
• RF Connector: Mini-UHF female with included PL259 adapter
• Installation: 1" x 14 TPI female threaded base
• Elements: Brass - hand soldered
• Polarization: Vertical
• Wind Rating: >160 kph
• Operating Temp: 30°F to 175°F
• Warranty: 5 Years
• Compliance: AIS

The antenna is designed to deliver reliable AIS and VHF performance on both digital networks and traditional channels. Its omni-directional pattern ensures consistent communication as you maneuver, while the rugged fiberglass rod and UV-stable finish stand up to harsh marine conditions. A 316 stainless steel base and low-loss RG-8X cable minimize signal loss over distance, and the solder-free, factory-installed mini-UHF connection simplifies setup with most radios. Suitable for both commercial and recreational vessels, the 594-MW-S is a durable, long-lasting choice backed by a 5-year warranty.