In article ,
Rick wrote:

Since you have so much signal at the router, you might get away with it, even
though there will be a lot of loss in the coax. Incidentally it is probably
RG-59.

One on-line coax-loss calculator indicates about 144 dB of loss in
RG-59, at 2.4 GHz over an 800-foot span.

Added to the antenna losses at both ends, and I have real doubts as to
whether a usable signal will result. It *might* work if the 802.11
radios were plugged directly into the coax, with no antennas involved,
but that does not sound feasible.

I'd say you have a good chance at success.

I have serious doubts.

I'd suggest another approach - use the coax to carry wired Ethernet
(perhaps with a simple 1.5:1 unun at each end). Losses will be far
lower at 10 MHz than they are at 2400 MHz. 10Base2 (over RG-58) is
spec'ed for up to 600 feet per segment, and 10Base5 (over RG-8) will
go more than 1500 feet.

It'd be necessary to install a 10BaseT-to-10Base2 bridge next to the
router, and some other sort of 10Base2 termination at the outbuilding
(another bridge / router / access-point).

Although most consumer-grade Ethernet products on the market these
days are 10BaseT- or 100BaseT-only, it's possible to find older
Ethernet hubs and switches with 10Base2 BNC jacks fairly easily on the
surplus market.

--
Dave Platt AE6EO
Friends of Jade Warrior home page: http://www.radagast.org/jade-warrior
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