This is first open WiMAX antenna so this may be interesting to you.
The lack of cheap Wimax gadgets is the reason not to see lot of this things taken apart.
The professional work as you can see. I found only this pictures, no dimensions available .
Band : 5ghz
Gain : 28dbi
All pictures may be found on www.carookee.com forum.
Recently found this one selling – this is good sign usually. Good that i have some more pics of this antenna. Blueprints are lost between my drives.
Keys to search in google – MA-WA58-1X and A73102
Antena mikropaskowa 23 dbi 5GHz
found in some forum – i believe that there was blueprint on wifi-connect.ru π
http://www.air-xs.de/pics/antennen/5ghz/tripol_ma-wa58-1x_mnt_platine.jpg
Mounting : 
or this : http://www.tripol.de/laden/a73101.htm
