TH-7DX, 7 element, broadband Tri-Band Beam for 10, 15, and 20 Meters. This amazing tri-bander, using a dual driven 7 - element system maintains a VSWR of less than 2:1 across all bands, including ALL of 10 Meters. No compromise on gain performance was needed to achieve this efficiency. A unique combination of trapped and monoband parasitic elements produces a front-to-back ratio of 27 dB. The antenna includes exclusive diecast aluminum, rugged boom-to-mast clamp, and heavy gauge element-to-boom brackets. Comes complete with BN-86 balun.
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