Enemy at the Door

[Steve Schear]

At 11:01 PM 11/7/2001 -0600, Jim Choate wrote:
>On Wed, 7 Nov 2001, Harmon Seaver wrote:
>
> > Duh!  Read it again. "802.11'd to DSL to a very remote web site?"  That
> > DSL line could be clear across town.
>
>Not with 802.11 anything will it be 'clear across town'. A few hundred
>yards w/ 802.11b and maybe a mile with 802.11a. Now if you're talking
>directional then it wouldn't take a rocket scientist to ask "Where does
>that nifty parabolic point? Why, at that other nifty parabolic. Well,
>gentlemen, how's 'bout we take 'em both down?"

At 2.4 GHz there is little need for a parabolic to achieve 12dB or more 
gain.  Small, flat, slot and yaggis may be constructed on circuit boards 
and placed in innocuous enclosures and even hidden in walls.


>If you want distance you'll either have to add an illegal final or else
>use packet or some other mechanism (probably illegaly as well).

10-20 dB amps for 2.4 are readily available and relatively inexpensive.

steve