Introducing the Digital 594-MW-S 4ft White AIS Antenna—the ultimate single-antenna solution for peak AIS and VHF performance on digital networks. Built to maximize transmit and receive range, this 4.5 dBi omni-directional antenna delivers reliable, broad coverage on the water.
Key benefits
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Designed for Digital AIS/VHF signals with 4.5dBi omni-directional gain for consistent range in all directions.
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Exceptional durability featuring a rugged fiberglass rod with a UV-stable white polyurethane high-gloss finish.
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Secure, high-quality mounting 316 stainless steel base with a 1" x 14 TPI female threaded base for dependable installation.
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Low-loss connection includes a 15 ft premium RG-8X cable for minimal signal loss.
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Quick, solder-free setup factory-installed mini-UHF connector with PL259 adapter for fast integration with your radio.
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Digital-optimized performance SWR < 1.5:1 across 56–162.5 MHz (AIS 162 MHz and VHF 156 MHz), ensuring strong transmit and receive capability.
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Broad compatibility impedance of 50 ohms and 50 W max input power, ideal for both commercial and recreational vessels.
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Effortless installation 4' length, 1" diameter, hand-soldered brass elements for reliability in demanding conditions.
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Versatile on any vessel perfect for use with combined VHF/AIS radios, on boats of all sizes.
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Weather-ready design withstands winds over 160 kph and operates from 30°F to 175°F.
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Peace of mind backed by a 5-year warranty.
Performance & construction
The 594-MW-S is engineered to maximize digital AIS and VHF range without sacrificing reliability. Its omni-directional pattern ensures consistent performance as you maneuver, while the high-strength fiberglass rod and UV-stable finish resist harsh marine conditions. A 316 stainless steel base provides rugged support, and the included low-loss RG-8X cable minimizes signal loss over distance. The antenna is designed for quick, solder-free connections to your radio thanks to the factory-installed mini-UHF connector and PL259 adapter.
Specifications
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Radiation Pattern: Omni-Directional
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Gain: 4.5 dBi
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Band: 56–162.5 MHz (6.5 MHz bandwidth)
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Cable: 15 ft Digital Antenna exclusive low-loss RG-8X
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Impedance: 50 ohms
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Max Input Power: 50 watts
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Exterior Finish: White polyurethane high gloss UV stable
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Dimensions: 4 ft length x 1" OD
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Weight: 1.7 lbs
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RF Connector: Mini-UHF female with PL259 adapter included
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Base: 1" x 14 tpi female threaded
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Elements: Brass - Hand soldered
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Polarization: Vertical
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Wind Rating: >160 kPH
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Operating Temp: 30°F to 175°F
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Warranty: 5 Years
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Compliance: Automatic Identification System (AIS)
Designed to deliver top-tier AIS/VHF performance on both digital networks and traditional channels, the Digital 594-MW-S 4ft AIS Antenna is the reliable choice for sailors, commercial operators, and recreational boaters seeking seamless connectivity and long-lasting build quality.
| Radiation Pattern |
Omni-Directional |
| Gain |
4.5dBi |
| Bandwidth |
VSWR: < 1.5:1 = 1 56-162.5 MHz (6.5MHz) |
| Cable |
15’ 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’ length x 1" OD taper |
| Weight |
1.7 lbs |
| RF Connector |
Mini-UHF female with included PL259 adapter |
| Installation |
1"x14tpi female threaded base |
| Elements |
Brass - Hand soldered |
| Polarization |
Vertical |
| Wind Rating |
>160KPH |
| Operating Temp |
30 F to +175 F |
| Warranty |
5 Years |
| Compliance |
Automatic Identification System (AIS) |
