I'd say that is a pretty good noise floor for 900MHz... remember this stuff can carry forever
Cordless phones, baby monitors... basically most things wireless can use 900MHz. Then you could be near a paging tower... or possibly a SCADA network out there. Honestly... I'm surprised your 2.4GHz noise floor is that good too Daniel White 3-dB Networks http://www.3dbnetworks.com >-----Original Message----- >From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On >Behalf Of Mark McElvy >Sent: Thursday, September 03, 2009 9:55 AM >To: WISPA General List >Subject: Re: [WISPA] 900Mhz question > >I am curious about 900 noise. My 2.4 gear sees noise levels of about -98 >to -102, but the XR9 setup I have with H120 sector see -80 to -85 or so. >I am in a small town of 5000 and I am curious what might be generating >such a high noise floor. > >Mark McElvy >AccuBak Data Systems, Inc. > >-----Original Message----- >From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On >Behalf Of RickG >Sent: Thursday, September 03, 2009 10:42 AM >To: WISPA General List >Subject: Re: [WISPA] 900Mhz question > >Lol, and the answer is because horizontal usually has less noise. >Whcih has nothing to do with the size of the wave cycle. Unless >someone knows something I dont - which is always possible. > >On Wed, Sep 2, 2009 at 11:15 PM, Paul >Rice<paul.r...@boomerang-networks.com> wrote: >> heh, the question was why folks doing 900 preferred horizontal >> >> -------------------------------------------------- >> From: "RickG" <rgunder...@gmail.com> >> Sent: Wednesday, September 02, 2009 9:41 PM >> To: "WISPA General List" <wireless@wispa.org> >> Subject: Re: [WISPA] 900Mhz question >> >>> On Wed, Sep 2, 2009 at 12:06 PM, Paul >>> Rice<paul.r...@boomerang-networks.com> wrote: >>>> Folks like horizontal for 900 MHz due to the size of the wave cycle >>>> approx >>>> 13 inches long >>> >>> I knew that but couldnt figure out why you specified "horizontal". I >>> guess you might have said Folks like 900 MHz due to the size of the >>> wave cycle approx 13 inches long. >>> >>> Thanks! -RickG >>> >>> On Wed, Sep 2, 2009 at 9:51 PM, Paul >>> Rice<paul.r...@boomerang-networks.com> wrote: >>>> same size. The electromagnetic wave is the same, polarity refers to >the >>>> orientation of the wave. up and down or side to side. >>>> 13 inches is the wavelength (length of a single cycle). >>>> >>>> -------------------------------------------------- >>>> From: "RickG" <rgunder...@gmail.com> >>>> Sent: Wednesday, September 02, 2009 7:33 PM >>>> To: "WISPA General List" <wireless@wispa.org> >>>> Subject: Re: [WISPA] 900Mhz question >>>> >>>>> The wave size of vertical would be different? -RickG >>>>> >>>>> On Wed, Sep 2, 2009 at 12:06 PM, Paul >>>>> Rice<paul.r...@boomerang-networks.com> wrote: >>>>>> Folks like horizontal for 900 MHz due to the size of the wave >cycle >>>>>> approx >>>>>> 13 inches long >>>>>> >>>>>> -------------------------------------------------- >>>>>> From: "RickG" <rgunder...@gmail.com> >>>>>> Sent: Wednesday, September 02, 2009 11:02 AM >>>>>> To: "WISPA General List" <wireless@wispa.org> >>>>>> Subject: Re: [WISPA] 900Mhz question >>>>>> >>>>>>> But look at all the experience you are gaining :) >>>>>>> >>>>>>> On Wed, Sep 2, 2009 at 10:36 AM, Robert >>>>>>> West<robert.w...@just-micro.com> >>>>>>> wrote: >>>>>>>> Why horizontal polarity? Cause I'm a total idiot when it comes >to >>>>>>>> 900mhz >>>>>>>> and as my luck usually runs, if I go by the book nothing works >until >>>>>>>> I >>>>>>>> do >>>>>>>> what I'm not supposed to do. But, also as my luck runs, the >opposite >>>>>>>> of >>>>>>>> what I try first will work So it actually won't matter what I >do >>>>>>>> including >>>>>>>> sitting the antennas 5 feet in front of each other, it will >never >>>>>>>> work >>>>>>>> the >>>>>>>> first time out. :) >>>>>>>> >>>>>>>> Bob- >>>>>>>> >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: wireless-boun...@wispa.org [mailto:wireless- >boun...@wispa.org] >>>>>>>> On >>>>>>>> Behalf Of Tim Edwards >>>>>>>> Sent: Wednesday, September 02, 2009 12:33 AM >>>>>>>> To: WISPA General List >>>>>>>> Subject: Re: [WISPA] 900Mhz question >>>>>>>> >>>>>>>> I'm with Chuck, much better performance with the Trango vs. >Mikrotik >>>>>>>> in >>>>>>>> my experience. >>>>>>>> Why horizontal pol? Vertical cuts through the foliage much >bettter, >>>>>>>> at >>>>>>>> least with the NorCal >>>>>>>> foliage we have here. >>>>>>>> >>>>>>>> tim >>>>>>>> >>>>>>>> -- >>>>>>>> =-=-=-=-=-=-==-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >>>>>>>> Tim Edwards, Chief Engineer t...@telescience.net >>>>>>>> TeleScience Networks http://telescience.net >>>>>>>> 11101 Hiway 1, #102 415-663-8891 >>>>>>>> Point Reyes Station, CA 94956-1375 >>>>>>>> =-=-=-=-=-=-==-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Chuck Hogg wrote: >>>>>>>>> I find that the Trango 900 can handle the noise and capacity >much >>>>>>>>> better >>>>>>>>> than MikroTik/XR9. I have a few hundred on Trango and it works >>>>>>>>> better >>>>>>>>> imo than XR9's. Canopy's GPS synch is the only reason I would >>>>>>>>> prefer >>>>>>>>> their 900MHz option. >>>>>>>>> >>>>>>>>> Regards, >>>>>>>>> Chuck Hogg >>>>>>>>> Shelby Broadband >>>>>>>>> 502-722-9292 >>>>>>>>> ch...@shelbybb.com >>>>>>>>> http://www.shelbybb.com >>>>>>>>> >>>>>>>>> >>>>>>>>> -----Original Message----- >>>>>>>>> From: wireless-boun...@wispa.org [mailto:wireless- >boun...@wispa.org] >>>>>>>>> On >>>>>>>>> Behalf Of Robert West >>>>>>>>> Sent: Monday, August 31, 2009 4:49 PM >>>>>>>>> To: 'WISPA General List' >>>>>>>>> Subject: Re: [WISPA] 900Mhz question >>>>>>>>> >>>>>>>>> I'm actually about to test something similar in a few days. We >have >>>>>>>>> a >>>>>>>>> 2.5 >>>>>>>>> mile link to put in with half a mile of it through trees with >.25 >>>>>>>>> miles >>>>>>>>> of >>>>>>>>> that running right over a creek. Doing it on the cheap, or >trying >>>>>>>>> to. >>>>>>>>> Have >>>>>>>>> 2 Mikrotik 411 boards on both sides running a transparent >bridge >>>>>>>>> using >>>>>>>>> XR9 >>>>>>>>> cards attached to a pac wireless grid antenna setup with >horizontal >>>>>>>>> polarity. The antennas are up and the boxes are configured, >just >>>>>>>>> have >>>>>>>>> to go >>>>>>>>> out tonight or tomorrow and run power to them and try to see >what >>>>>>>>> kind >>>>>>>>> of >>>>>>>>> throughput we can get, if any. Haven't tried it before but >we'll >>>>>>>>> see. >>>>>>>>> >>>>>>>>> Bob- >>>>>>>>> >>>>>>>>> >>>>>>>>> -----Original Message----- >>>>>>>>> From: wireless-boun...@wispa.org [mailto:wireless- >boun...@wispa.org] >>>>>>>>> On >>>>>>>>> Behalf Of Patrick D. Nix, Jr >>>>>>>>> Sent: Monday, August 31, 2009 3:38 PM >>>>>>>>> To: WISPA General List >>>>>>>>> Subject: [WISPA] 900Mhz question >>>>>>>>> >>>>>>>>> We've been using the Trango 900Mhz gear and are familiar with >canopy >>>>>>>>> and >>>>>>>>> it's abilities. How does a Mikrotik with something like a XR9 >>>>>>>>> compare >>>>>>>>> in terms of penetration and throughput when paired with a >Ubiquity >>>>>>>>> CPE? >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Patrick Nix, Jr., >>>>>>>>> Computer Network Solutions >>>>>>>>> CSWEB.NET Internet Services >>>>>>>>> IT Manager >>>>>>>>> >>>>>>>>> http://www.cnetworksolutions.com >>>>>>>>> http://www.csweb.net >>>>>>>>> >>>>>>>>> (918) 235-0414 >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> ________________________________ >>>>>>>>> >>>>>>>>> Attention: This e-mail and any attachments may contain >confidential >>>>>>>>> and >>>>>>>>> privileged information. 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