Yeah, what Mike said is correct - 3dbi increase in antenna gain for every 1dbm decrease in tx power for PtP. so, if you have, say a 24dbi antenna, you can run 24dbm TX power and get 48db EIRP.
On Mon, May 15, 2017 at 8:46 AM, Mike Hammett <[email protected]> wrote: > Not for PtP. > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > *From: *"Mitch Koep" <[email protected]> > *To: *[email protected] > *Sent: *Monday, May 15, 2017 8:44:59 AM > > *Subject: *Re: [AFMUG] Does anyone have a 28-34dBi 2.4GHz 2x2 MIMO antenna > > Was under the impression 36dB EIRP was max (if I remember correctly) > > Mitch > > On 05/15/2017 08:37 AM, Mike Hammett wrote: > > 2.4's policy is what, every 1 dB decrease in transmit power is a 3 dB > increase in allowed EIRP? Decrease Tx power 10 dB, increase EIRP 30 dB? > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > *From: *"Mitch Koep" <[email protected]> <[email protected]> > *To: *[email protected] > *Sent: *Monday, May 15, 2017 8:30:07 AM > *Subject: *Re: [AFMUG] Does anyone have a 28-34dBi 2.4GHz 2x2 MIMO antenna > > Rory > > Won't that be well over legal limits? > > Mitch > > On 05/15/2017 08:23 AM, Rory Conaway wrote: > > I’ve got to punch through a mile of trees with AF2x radio so I’m probably > going to for the 6’ or 8’ dishes. > > > > Rory > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Colin Stanners > *Sent:* Sunday, May 14, 2017 7:05 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Does anyone have a 28-34dBi 2.4GHz 2x2 MIMO antenna > > > > Gain is never an exact number as it always varies over the covered > frequency range and polarization, but from what I understand Ubiquiti > overstates their gain by 2-3 db over the 'industry standard' measurements. > Similar to how they say the AF24 can go up to 10miles, which is effectively > bs, the max 99.99% availability reliable range is 3-4 miles almost anywhere > on earth that a substantial number of those radios coild be installed. > > > > On May 14, 2017 8:44 PM, "Christopher Gray" <[email protected]> > wrote: > > Gain is not quite as high as you are asking for, but L-Com goes up to a > 900mm dish. I can't quite tell if UBNT over states their gain, L-Com > understates their gain, or if there is another fundamental difference, but > the L-Com 900mm dish is only rated at 25 dBi. > > > > I have not used it, but I've been happy with their 400mm unit. > > > > http://www.l-com.com/wireless-antenna-24-ghz-dual-polarized- > dpd-series-parabolic-dish-antennas > > > > -Chris > > > > > On Sun, May 14, 2017 at 5:22 PM, Eric Kuhnke <[email protected]> > wrote: > > I have not seen one that is anywhere near reasonably priced and can be > equipped with a (first party or third party) side shield/radome kit. The > Radiowaves stuff exists but is a design from 15 years ago. Willing to bet > the Radiowaves 3' and 4' size 2.4 GHz dishes are great at gathering > unwanted 2.4 noise from the sides... > > > > On Sat, May 13, 2017 at 2:42 PM, Rory Conaway <[email protected]> > wrote: > > Looking for something bigger than the Ubiquiti RD-24 dish. > > > > Rory > > > > > > > -- > Mitch Koep > > A Better Wireless218-851-8689 <(218)%20851-8689> cell > > > > -- > Mitch Koep > > A Better Wireless218-851-8689 <(218)%20851-8689> cell > > >
