Re: Hams Report 85-mile 802.11b File Transfers @ Oregon
Vince Vielhaber <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 14 Apr 2004, richard childers / kg6hac wrote:
> Those of you inclined towards worrying about eavesdroppers will find the
> following interesting ... QST Magazine (or was it NASA Tech Briefs?)
> recently reported that two people successfully achieved connectivity and
> exchanged files across a span of 85 miles, using COTS technology and
> antennas optimized for operation in the 2.4 gHz frequency.
>
> People operating 802.11b networks in corporate environments, take note -
> your networks can probably be monitored from anywhere within a few
> [dozen?] miles of the antenna, depending upon obstructions, and perhaps
> from over the horizon, as well.
There are guys on the wireless equipment list that are getting 60+ miles
with off the shelf components. Not just swapping a few files, these are
24/7/365 links. The timing problems are overcome with the software
they're using (StarOS, also off the shelf).
Vince.
--
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