Gino Villarini wrote: > You need to take in consideration that the Ubnt AirMax true data > thoughtput is about 70 Mbps in highest modulation and under very low > noise scenario > Ok, well that's probably a good estimate w/20 mhz channel width. > Now take on consideration that it uses dual pol to achieve this so you > limit your colocation options > Not sure what difference this makes, uses the same amount of frequency and both polls are in the same antenna. > Taking that in account, expect 30 to 50 Mbps In a true field > deployment under average noise conditions > Ok, what is wrong with that, sounds great. > And you can only colocate 3 or 4 aps per site, then try to growth your > footprint > Why? There is no difference in colocation with Airmax vs. non-airmax, do you think each chain needs it's own channel or something? They don't. > Compare that to the Canopy 430 line with 45 Mbps per ap with gps sync > and A very broad channel reuse facility > > Sent from my Motorola Startac... > > > On Dec 31, 2009, at 11:20 AM, "Randy Cosby" <dco...@infowest.com> wrote: > > >> Let me throw a couple "devil's advocate" arguments into the mix. >> >> The claim was made that the advantage of Motorola is that you can get >> 100 subs per AP, while a Mikrotik or UBNT solution might get 30-40. >> Based on these assumptions, could the argument not be made that a year >> from now, a 100-subscriber Motorola AP with 14 megabit total capacity >> will be much more over-utilized than a Mikrotik 14meg solution with >> only >> 30-40 subscribers? I'm seeing this already on older Trango AP's with >> 70-80 subscribers. 10meg at 80 subscribers is just too much >> oversubscription with today's usage patterns. >> >> Then you can also look at the fact that the mikrotik can do the 14 meg >> in 10mhz bands, adding more efficiency (yes, gps sync helps even >> more, I >> know!). Then you look at a UBNT offering with, let's say 50 megabit >> in >> 20mhz with just 40 subscribers. You may get more life and get further >> along the growth curve with UBNT. Will it really scale to even 40? >> Dunno.. Sure would like to hear of real world experience, but that >> will >> obviously take time. >> >> Randy >> >> On 12/31/2009 7:48 AM, Rubens Kuhl wrote: >> >>> Ubiquiti's move into the large scale market, whether it will work or >>> not, is just happening now with AirMax. It slows the overall >>> performance to much less than 150+ Mbps, but it might get to the >>> 100/user per-AP scale. 3 or 6 months from now we will know of either >>> large deployments or #ubntfail stories. >>> >>> >>> Rubens >>> >>> >>> ---------- Forwarded message ---------- >>> From: Charles Wu<c...@cticonnect.com> >>> Date: Thu, Dec 31, 2009 at 2:33 AM >>> Subject: Re: [WISPA] Wimax gear >>> To: WISPA General List<wireless@wispa.org> >>> >>> >>> >>> Let's go back to the original thread -- we were talking about how >>> Ubiquiti was "changing the game" with their new $75 AP that does 150 >>> Mb or something (as compared to the Alvarion/Motorolas/WiMAX guys of >>> the world who still don't "get it" with their $3/5/10k APs) -- up >>> until now, it's been my experience that this is an "apples to >>> oranges" >>> debate (heck, couldn't I make the same argument that belkin or dlink >>> has had a super-N mimo AP for $69 at Best Buy for some time now?) >>> >>> That being said, if someone has built such a system, please pipe up >>> and share your experiences -- I'm always interested in learning how >>> to >>> do things better/faster/cheaper... >>> >>> >>> --- >>> --- >>> --- >>> --- >>> -------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> --- >>> --- >>> --- >>> --- >>> -------------------------------------------------------------------- >>> >>> WISPA Wireless List: wireless@wispa.org >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >>> >> -- >> Randy Cosby >> Vice President >> InfoWest, Inc >> >> 435-674-0165 x 2010 >> >> http://www.infowest.com/ >> >> "Letting off steam always produces more heat than light." - Neal A. >> Maxwell >> >> >> >> --- >> --- >> --- >> --- >> -------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> --- >> --- >> --- >> --- >> -------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ >
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