 i think what you re looking at with the dual antenna mounts is a diversity antenna it won t work too well with one hooked up to the pringles can and the other hooked up to a regular rubber duck ian on tuesday october NUMBER NUMBER at NUMBER NUMBER pm eugen leitl wrote NUMBER reinforced concrete shields like the dickens wood lots less so NUMBER line of sight is best o really NUMBER if you want to boost range use directional aerials not omnis direct line of sight no trees no nothing can give you NUMBER km with well aligned directional aerials and say no sleet no locusts nor rain of blood if you want to fan out afterwards use a bridge of a directional coupling to an omni NUMBER NUMBERa should shield within building lots more than NUMBER NUMBERb ditto line of sight with lots of precipitation inbetween on tue NUMBER oct NUMBER damien morton wrote i just bought a linksys befwNUMBERvNUMBER access point router for NUMBER URL im doing some dev work on a symbol pocketpc device with built in NUMBER NUMBERb in this NUMBER sq ft pre war new york apartment it goes through NUMBER or NUMBER walls into the hallway and halfway down the first flight of stairs before it loses contact with the base station that s less than NUMBER ft inside the apartment it works just fine i just did some further testing through NUMBER brick walls the range is about NUMBER feet the signal also goes through the roof pretty much unimpeded that said the symbol device doesn t have an antenna to speak of and i havent done any tweaking to try to extend the range the linksys unit has two antenna mounts you could leave one as an omni antenna while hooking up a directional antenna to the other you might find that you have to use several access points and or repeaters to get the coverage you want 