Marine HF mast mount antenna, 2-piece, 2-30MHz, 500W PEP, requires A.T.U, 2.1dBi  – 6.0m

Marine HF mast mount antenna, 2-piece, 2-30 MHz, 500W PEP, requires A.T.U, 6m 20kV cable, 2.1 dBi - 6.0m

Product code: HM218-M

Our highly popular HM218-M marine HF CB vertical radiator antenna is suitable for either mast mounting or side of vessel structure mounting for HF communications within the 2-30 MHz range. The HM218-M marine HF antenna consists of a 2-piece radome and foam encased copper vertical radiatior, requiring assembly on-site utilising basic hand tools. For the stated performance levels, an Automatic Tuning Unit or ATU is required, not supplied. Our HM218-M is utilised for land based marine HF CB communications applications or on larger vessels that require additional height for improved signal propogation over larger water masses.

Marine 2-Piece HF Mast Mount Antenna 2-30MHz



2-30 MHz - Marine or Land HF


Tune will be determined by A.T.U. capability


2.1 dBi


Field tuning using A.T.U.


An ATU is required to match to 50 Ohms

H Plane beamwidth

360° omnidirectional ± 0.5 dBd

Maximum Power

500 Watts P.E.P.




2-piece white fibreglass radome, chrome joining/mount ferrules, stainless steel mounting section and 6m HT lead cable with termination lug


No connector required, connect cable directly into your A.T.U.


Height assembled: 6.0m, Length packed: 3.5m

Weight - kg


Wind load at 160kph

16.46kg, 0.163kN

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