Point-to-point 802.11a vs. g

I have line-of-sight between two towers about 3 miles apart. I want to create a wireless network link between them. Is 802.11a or g preferable for this situation, or is there a significant difference?

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I think 11a is probably preferable.

11a seems to be finding itself deployed more frequently as a back-haul link these days, IMHO. Although it will be a bit harder to get an 11a signal to go 3 miles than an 11g signal, it's not unobtainable, and you have the added benefit of using the less-noisy 5.8Ghz band and having more channels to choose from.

good luck, Jonathan

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