The Hygain TH-7DX is a 7-Element yagi antenna for 10m, 15m and 20m.
No compromise in performance and a F/B ratio of 27dB promises Hygain from the TH-7DX. In all bands the SWR is better than 2:1 even on the entire 10m band. The construction is a unique combination of parasitic and trapped monoband elements.
The antenna consists of a diecast aluminum, rugged mast clamp, thick element holders and is supplied with the BN-86 balun. The boom length is 7.32 m and the longest element is 9.45 m long. The maximum transmit power is only given as "Maximum Legal".