time to get RMA

Zaha to answer your comment dont buy tp-link anymore heheee on post #5 First one to blame your reseller, he knew from start your Wisp would not work. Second to blame you, should research before...

read post #2 here http://forum.tp-link.com/showthread.php?6219-Concurrent-Users&region=china

Known bug on 5210 try this and come back an report. Set 5210 as AP set internal antenna to Vertical we don't know how your 5210is set up outdoors, so make sure is tilted down to the area you want to...

you have done your homework by reading before buying, read post #7 here http://forum.tp-link.com/showthread.php?3485-Tp-link-tl-wa5210g-amp-tl-ant2412d&region=china

wait for this one comes out in July 2013 http://www.tp-link.com/en/products/details/?categoryid=&model=TL-WA7210N