The 396-1-AIS has been specially designed to meet the broader bandwidth requirements of all popular AIS transceivers. Commercial-grade construction with a mast mounting sleeve.
Brass and copper elements
SO-239 connector at the base
Suggested Mount: U-Bolts included. Can be strapped to a larger mast using steel banding (not supplied)
One section
Coax cable sold separately
Shakespeare Limited Warranty: 2 years
Technical Specifications:
Frequency: VHF Marine Band
Bandwidth within 2.0:1 SWR: 6.0 MHz
SWR: 1.5:1 at 156.8 MHz
Gain: 3dB
Impedance (Ohms): 50
Gain: 3dB
Max. Input (Watts): 100
DC Ground: no (will read open-circuit with ohmeter test)
Termination: SO-239 at bottom of antenna
Height (feet): 4
Polarization: Vertical
Radiation pattern: Omni-directional
The Shakespeare 396-1-AIS broadband VHF marine antenna is engineered to deliver reliable performance for AIS transceivers on vessels of all sizes. Designed with commercial-grade materials, this antenna features brass and copper elements to ensure durability and optimal signal transmission. Its 4-foot height and omni-directional radiation pattern provide broad coverage, making it ideal for marine environments where consistent communication is critical. The mast mounting sleeve allows for secure installation, either with included U-bolts or by straps using steel banding (not supplied). The antenna's impedance is set at 50 ohms, with a gain of 3dB, and it is capable of handling input power up to 100 watts, supporting a wide range of AIS transceivers. The SO-239 connector at the base simplifies integration with existing radio systems, while the vertical polarization ensures efficient signal propagation over the water. This antenna is built to meet the broader bandwidth requirements of popular AIS transceivers, with a bandwidth of 6.0 MHz at 1.5:1 SWR, centered around 156.8 MHz, achieving an SWR of 1.5:1 for optimal performance. Its construction is designed for longevity in marine conditions, backed by Shakespeare's 2-year limited warranty. Please note that coax cable is sold separately, and the antenna's DC ground feature indicates it does not provide grounding, which is typical for marine VHF antennas. Whether used for commercial or recreational vessels, the Shakespeare 396-1-AIS antenna ensures clear, reliable communication essential for navigation and safety at sea.
Features:
4-foot vertical omni-directional VHF marine antenna designed for AIS transceivers
Constructed with brass and copper elements for durability and reliable signal transmission
Includes mast mounting sleeve with U-bolts for secure installation
Supports a bandwidth of 6.0 MHz within 2:1 SWR at 156.8 MHz for broad compatibility
Impedance of 50 ohms with a gain of 3dB for effective signal coverage
Capable of handling up to 100 watts of input power for various AIS transceivers
SO-239 connector at the base for easy connection to marine radio systems
Vertical polarization with omni-directional radiation pattern for 360-degree coverage
Designed for marine environments with corrosion-resistant materials and a rugged build
Backed by Shakespeare’s 2-year limited warranty for quality assurance
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