rb..perhaps YOU should ask microsoft about 802.11 seems they tell customers signal strength will be reduced by metal framing,concrete walls and floors,TVs,radios,cordless phones,microwave ovens...you can buy it..but sometimes it wont work!! what a joke....as for security being an issue when the signal only goes 200-300ft duh...you think companies dont care if ANYONE in the building can tap into their network?? No wonder you worked in the mail room...bizz