I am totally happy men today – someone finally posted undercover pictures of one of most used antennas for 5ghz pac wireless gd58-29 gird. As you can see this antenna have very interesting cover of the feed, this exact shape can’t hide much and i was 99 percent sure that there is a dipole hidden inside. And now i finally can see this thanks vesuviustreamline on the mikrotik.dupnica.net forum.
Link to the thread on the mikrotik.dupnica.net forum
You can also visit the vesuviustreamline site
And interesting part – pictures of this antenna