5.8m (19') 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: 4.1m (162") ; Tip: 1.7m (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. Shakespeare
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