4018-M Classic VHF Antenna

4018-M Classic VHF Antenna

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.

  • Brass and copper elements
  • Chrome-plated brass ferrules
  • Mast mount – U-bolts supplied
  • SO-239 connector at base of antenna
  • Two sections
  • 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.



Shakespeare 4018-M Specifications
Band: VHF Marine Band
Antenna Gain: 9dB
Max. Input Power: 50 watts
SWR: nominally 1.5:1 at 156.8 MHz
Bandwidth: 3 MHz within 2.0:1 VSWR
Ferrule: Chrome plated brass mid section ferrules, and an aluminum sleeve bottom ferrule
Color/finish: White
Polarity: Vertical
Impedance: 50 Ohms
DC Ground: No DC Ground – The antenna will read open on continuity test.
Limited Warranty:
2 years

Technical Support

Instruction sheet (PDF): 4018-M.pdf

Safety sheet (PDF): Safety Sheet

Shakespeare VHF Marine Antennas (YouTube Video)

Troubleshooting Your Marine Antenna Installation (YouTube Video)

For other technical information, please email Tech Support

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