DELTA H311A-01 combined antenna, which in a single structure combined two antennas: one - range symmetrical vibrator of the metre wave range and the second - broadband logoperiodic antenna decimeter wave range.
Electrical parts and fasteners are made of steel. Protective and decorative coating with thickness of 70-100 microns is provided by epoxy-polyester powder paints. Brackets and nuts of mast fastening, stud and grounding nut are zinc-coated.
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