Hi guys, I've got a problem with my wlan. I've got an airport express connected to a zyxel router on the first floor. Connected to the wlan is: - 1 Mac mini - 1 ibook - 2 iphones - 2 Windows 7 systems (wlan access through http://www.conrad.com/D-LINK-DWA-131-WLAN-STICK-N300-NANO.htm?websale7=conrad-int&pi=973943&ci=SHOP_AREA_37403_0415145 Now I'm getting really slow connection with my two Windows systems. One of it is at the first floor and shows 5/5 wlan signal. The other is at the basement and shows 4/5 wlan signal. But the one at the basement has a very very slow connection (about 10-50kb/s). The one on the first floor is at least faster for an amount of time, before the speed also collapses. Could the problem be solved by replacing the airport express with an airport extreme? Don't know but could it be possible that the slow speed occurs because the airport express doesn't support the "n" mode or the "dual band" mode? It's often the case that at least both windows systems, mac mini and an iphone are connected (Not using bandwidth all the time, but are connected) Just a thought of a casual home user . Don't want to buy an airport extreme to suffer the same problems. Thanks a lot.