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Style 476 VHF 10 dB
The Style 476 antenna is designed to ensure reliable communication when other antennas fall short. Its unique design optimizes the signal for maximum reach in all directions, making it an ideal choice for heavy-duty seagoing applications such as workboats, tugs, and service boats, as well as for land-based stations.
Technical Specifications:
| Frequency: | VHF Marine band |
| Bandwidth: | (within 2.0:1 SWR): 10MHz |
| SWR: | 1.5:1 at 156.8 MHz |
| Impedance: | (ohms): 50 |
| Gain: | 10 dB |
| Max Input (Watts): | 350 |
| DC Ground: | YES |
| Termination: | SO-239 connector |
| Height (feet): | 21 |
| Polarization: | Vertical |
| Radiation pattern: | Omni-directional |
The Shakespeare VHF 21ft Antenna (part number 476) is a specialized marine/air band radio antenna engineered for extended communication range. With a 10 dB gain and omni-directional radiation pattern, this 21-foot antenna is designed to enhance signal reach, particularly in demanding seagoing environments. It is suitable for heavy-duty applications such as workboats, tugs, and service boats, where reliable VHF communication is critical. The antenna's design also supports land-based station use. Featuring brass and copper internal elements and a 6061-T-6 aluminum sleeve, it terminates in an SO-239 connector and is DC grounded. The single-section design facilitates handling during installation, addressing the need for robust, long-range VHF connectivity in challenging operational settings.
The Shakespeare VHF 21ft Antenna terminates with an SO-239 connector at its base.
This antenna is designed for heavy-duty seagoing applications like workboats, tugs, and service boats, as well as for land-based stations, where extended communication range is required.
The antenna provides a 10 dB gain, optimizing signal for maximum reach in all directions.
The antenna is designed for direct mast installation or can be used with the Shakespeare Style 483 Clamp Set and Style 484 Wall Mounting Brackets.
476 - Shakespeare VHF 21ft Antenna - 10dB Gain