I have a pair of Viewsonic (WAPBR-100) 3-in-1 AP's and most of the time they're fine for the job -- I use them in bridge mode to connect two wired LANs on different floors in the building, < 100 feet apart.
I've enabled MAC access control as well as WPA.
At random times, they seem to lose each other but will come back after a while without any intervention. No course of action consistently brings them back, but I think that the events become less frequent after changing channels. My best guess, being no expert, is that the hardware cannot handle a bunch of connection attempts from different places.
I bought these a while ago and they were cheap. I have been surprised they work as well as they do. I'd be happy to replace them with something more reliable, though.
Any ideas or suggestions welcome --
I see Kennan promoted here, but I don't know if I need 400mW.
Yes, and it clears the problem -- but only for a while, sometimes sooner, sometimes later. Then, the drops will resume. (Actually, the problem was reduced after I stopped broadcasting the SSID.)
I think it's interference, but I don't know that much about wireless hardware. I wondered if better hardware would help me -- or are all the economy A/P's and bridges about the same?
Why is the connection dropped? 
Linear Mode
