4' VHF/AIS White Antenna with 15' CableThe 594-MW is one antenna designed for the best performance on VHF and AIS signals. To ensure the most incredible AIS and VHF range, Digital Antenna’s new 4.5dB gain AIS/VHF antenna features a less than 1:5:1 SWR on both the VHF (156MHz) and AIS (162MHz) frequencies.Digital VHF radio-based transponder systems need antennas designed for digital signals. Digital Antenna is the only manufacturer to design all antennas to maintain and maximize digital signals for the best transmit and receive range.Ideal for use on any size commercial or recreational vessel. Perfect for use with combined VHF/AIS radios. Factory-installed mini-UHF connector (less than 3/8” OD) and included PL259 adapter make a quick and secure connection to the radio. (no soldering needed).Features:Designed for Digital AIS/VHF signals4.5dBi Omni-directional gainRugged fiberglass rod with UV stable finishSecure soldered connections316 stainless steel base1”x14 female threaded base15’ premium low-loss RG-8X cableFactory-installed mini-UHF connector5-year warrantySpecifications:Radiation: Pattern Omni-DirectionalGain: 4.5dBiBandwidth: VSWR: Cable: 15’ Digital Antenna exclusive low loss RG-8XImpedance: 50 ohmsMax Input Power: 50 wattsExterior Finish: White polyurethane high gloss UV stableDimensions: 4’ length x 1” OD taperWeight: 1.7 lbsRF Connector: Mini-UHF female with included PL259 adapterInstallation: 1”x14tpi female threaded baseElements: Brass - Hand solderedPolarization: VerticalWind Rating: >160KPHOperating Temp: 30º F to +175º FWarranty: 5 YearsCompliance: Automatic Identification System (AIS)Use with all AIS class A and B transceivers, AIS transponders, Smart AIS transponders, AIS receivers, auxiliary civil services, multi-use radio service (MURS), 2-way land mobile, VHF marine radio, narrow band FM, VHF SATCOM, Automatic Identification System (AIS), and NOAA Weather Stations.Applications: CommercialRecreationalGovernment vessels where AIS is required