for the 2310 go here...http://www.dlink.com/products/?tab=3&pid=WBR-2310&rev=WBR-2310
for the REV_B go here...http://www.dlink.com/products/?tab=3&pid=WBR-2310&rev=WBR-2310_RevB
for the d-link...i had a wbr2310, u need to upgrade the firmware to the newest on there website. The one you have is unstable by the way you are saying
Do you have the 2310 or 2310 REV_B?
I have my router in my house and need access to it in my outbuilding (about 250-300ft)
Like what channel goes the farthest and what is up with the 'long and short' preamble? if anyone could help thanks.