[Cialug] WiFi at 1000'

[jim kraai]

i see you didn't get to the comments section of the article

lasers aren't critical on alignment

on the transmitting side:  really expensive lasers with really expensive
optics transmit a nicely focused, very tight beam.  cheap ones don't

on the receiving side: 2D arrays of photodiodes are used




On Wed, Aug 7, 2013 at 1:42 PM, L. V. Lammert <lvl at omnitec.net> wrote:

> On Wed, 7 Aug 2013, jim kraai wrote:
>
> > 1. use lasers, lasers are cool
> >
> http://www.extremetech.com/extreme/128207-1gbps-wireless-network-made-with-red-and-green-laser-pointers
> > 2. a pair of parabolic reflectors, repurposing a pair of used satellite
> tv
> > reflectors might work
> >
> > the long term issue might be whether you can keep them pointed at each
> > other through wind and hail and birds, and since you never can keep them
> > aligned, how easily can they be realigned?
> >
> I would think Lasers WAY too critical on alignment, .. no way I would
> schlep out there every week just to repoint them <g>!
>
> Thinking more of 802.11 directional, ..
>
>         Lee
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