Hi, I have the same problem wiht my NAS (LS-VL187). It keeps dropping the wireless connection! It happens when I´m transfering large files or a long transfer of small files.
I've reasearched and lots of people (even from Buffalo) says to change the frame size, but this does not solve the problem. I'm already thinking on ripping the disk out of the NAS and put it into a small server (it's the only thing which will really work as a NAS and be reliable).
Everyone attributes the problem to the network when it's clearly a device problem!!
Not to mention that the AUTO mode does not work either. It just goes to sleep and never wake up again.
If someone has the solution to these problems please post it! Thanks!
In case you want to discuss my email is vwrodrigo@hotmail.com