I missed that from his first email. yes, he would be over power at +14dBm.
On Sun, Nov 30, 2014 at 11:23 PM, Fred Goldstein <f...@interisle.net> wrote: > On 11/30/2014 11:55 PM, Josh Luthman wrote: > > I have a link at 6.6 miles with a pair of Rocket M5. It's at 5765 and > > has worked beautifully for a couple of years now. It is -55 on each > > side with 2' dishes. > > > > I'm looking at doing another link that's almost identical (one similar > > tower) and my calculations are showing if I use 5660 at 14dbm tx power > > I should see -56. Does this sound right at all? 6.6 miles seems far > > off the top of my head for the DFS band. > > The ERP limit there is +30, so if you're using +14 tx power, then the > antenna gain is only 16 dB or you're noncompliant. That's what a > NanoStation does on DFS. A big dish (like the 2 footer, around 30 dB > gain) would still help with receive gain but you would have to turn down > the Rocket to something lower (0 dBm). > > UBNT DFS stuff is approved for +41 dBm EIRP or so on the 5150 band, though. > > -- > Fred R. Goldstein k1io fred "at" interisle.net > Interisle Consulting Group > +1 617 795 2701 > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless > -- Adair Winter VP, Network Operations / Owner Amarillo Wireless | 806.316.5071 C: 806.231.7180 http://www.amarillowireless.net
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