estqwerty’s wifi antennas

Saved long long ago from an old Russian forum: wifi-connect.ru

The site is running now again, but without a forum, and no new info is available.

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This is posted on www.zero13wireless.net/foro/ from sushisan

This can be a replacement for coax baluns used in Amos antennas.

There is also very interesting pdf file on site.

Actually this is part of a dipole printed on fr4 plate but without dipole.

May be can be madded like NHC 21DBI dipole?

And here something similar : www.digdice.com/2007/09/28/sector-antenna-grad2487/

Tere are some interesting result of testing panel antenna for wifi band on Russian site : http://www.lan23.ru/forum/showthread.php?t=1009

Antenna is tested when the pcb print is looking toward  to a reflector and back.

You get lower SWR when the pint is looking to a reflector - pictures shows all :

Another Yagi whit interesting design, this time from Dlink.

Original link : http://www.zero13wireless.net/foro/showthread.php?t=1150

PDF Specification : http://www.dlink-me.com/ftp/antennas/pdf/ANT24-1201.pdf

Gain should be around 12dbi.

And here it is what is inside : usual yagi directors are madded from aluminum /i think/ and pcb dipole used as feeding element.

You are wondering were did You saw similar dipole feeding ??? I tell You : http://www.digdice.com/2007/09/28/sector-antenna-grad2487/
The feeding of the dipole is very similar.

Dimensions for this antenna :