19’ (5.8m) VHF Marine Band 9dB
Phased 1/2-wave elements in a collinear array with a coaxial choking sleeve to
suppress cable radiation
The top choice for charter boat captains and experienced sport fishing
enthusiasts. This long-distance VHF antenna is rigid enough to stay erect in
rough seas, yet exceptionally lightweight. The 4018-M has an aluminum sleeve for
attaching to a mast. It is used primarily for land-based stations and on
commercial vessels.
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Brass and copper elements
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Chrome-plated brass ferrules
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Mast mount – U-bolts supplied
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SO-239 connector at base of antenna
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Two sections
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2 Sections: Base 162″; Tip 66″
Best applications include: Land-based stations and Commercial vessels; for
medium to large fishing and comercial vessels and similar types of vessels.
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Shakespeare 4018-M Specifications |
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Band: |
VHF Marine Band |
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Antenna Gain: |
9dB |
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Max. Input Power: |
50 watts |
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SWR: |
nominally 1.5:1 at 156.8 MHz |
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Bandwidth: |
3 MHz within 2.0:1 VSWR |
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Ferrule: |
Chrome plated brass mid section ferrules, and an aluminum sleeve bottom
ferrule |
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Color/finish: |
White |
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Polarity: |
Vertical |
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Impedance: |
50 Ohms |
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DC Ground: |
No DC Ground – The antenna will read open on
continuity test. |
Shakespeare
Limited Warranty: |
2 years |
Technical Support
Instruction sheet (PDF): 4018-M.pdf
Safety sheet (PDF): Safety
Sheet
WARNING:
This product can expose you to chemicals including Di-n-hexyl Phthalate (DnHP)
which is known to the State of California to cause reproductive harm, and
Vinyl Chloride which is known to the State of California to cause cancer. For
more information go to 
