With Trango and MT (compex and ubnt) I get minimal tree penetration. On 12/2/08, Matt Liotta <[EMAIL PROTECTED]> wrote: > We see on average 9dB less signal with 3650 than 2400 NLOS with all > things being equal. > > -Matt > > On Dec 2, 2008, at 11:42 AM, John Scrivner wrote: > >> Our coverage looks like 2.4 GHz coverage in the same environment >> with the >> exception of much lower noise floor which helps extend link budgets >> slightly >> and help increase reliability at the edge of the coverage area. >> Scriv >> >> >> On Tue, Dec 2, 2008 at 10:28 AM, Mike Hammett <[EMAIL PROTECTED] >> >wrote: >> >>> So according to the document from Hawaii, 3.6 GHz should have lower >>> atmospheric attenuation (I'm assuming this is similar or the same >>> to free >>> space loss) than 2.4 GHz. I'm not at sea level, but I am by no >>> means at >>> 9150 meters! >>> >>> Because water is the molecule at play here, that would also show a >>> difference in foliage penetration. Not trying to go through a >>> forest or >>> anything, but wondering how it would handle a tree or two. >>> >>> >>> ----- >>> Mike Hammett >>> Intelligent Computing Solutions >>> http://www.ics-il.com >>> >>> >>> >>> -------------------------------------------------- >>> From: "Patrick Shoemaker" <[EMAIL PROTECTED]> >>> Sent: Tuesday, December 02, 2008 10:10 AM >>> To: "WISPA General List" <wireless@wispa.org> >>> Subject: Re: [WISPA] 3650 Foliage >>> >>>> >>> http://www.phys.hawaii.edu/~anita/web/paperwork/currently%20organizing/Military%20EW%20%20Handbook%20Excerpt/rf_absor.pdf >>> >>> <http://www.phys.hawaii.edu/%7Eanita/web/paperwork/currently%20organizing/Military%20EW%20%20Handbook%20Excerpt/rf_absor.pdf >>> >>> > >>>> >>>> http://www.rfcafe.com/references/electrical/atm-absorption.htm >>>> >>>> >>>> Patrick Shoemaker >>>> Vector Data Systems LLC >>>> [EMAIL PROTECTED] >>>> office: (301) 358-1690 x36 >>>> http://www.vectordatasystems.com >>>> >>>> >>>> Mike Hammett wrote: >>>>> Well right. >>>>> >>>>> I could only assume that 3650 is better than 5.x GHz, but >>>>> sometimes you >>>>> match something's... I think natural frequency is the term I'm >>>>> looking >>>>> for. >>>>> Like how 70 - 80 GHz gear goes farther than 60 GHz, because 60 >>>>> GHz is >>> the >>>>> natural frequency of oxygen. >>>>> >>>>> >>>>> ----- >>>>> Mike Hammett >>>>> Intelligent Computing Solutions >>>>> http://www.ics-il.com >>>>> >>>>> >>>>> >>>>> -------------------------------------------------- >>>>> From: "Charles Wu (CTI)" <[EMAIL PROTECTED]> >>>>> Sent: Tuesday, December 02, 2008 9:53 AM >>>>> To: "WISPA General List" <wireless@wispa.org> >>>>> Subject: Re: [WISPA] 3650 Foliage >>>>> >>>>>>> Have we gotten any reports how 3650 works with foliage? >>>>>> It doesn't >>>>>> >>>>>>> Would MIMO have any affect on foliage penetration ability? >>>>>> Sure, it might help, but 700 would help more >>>>>> >>>>>> -Charles >>>>>> >>>>>> This message is intended only for the use of the individual or >>>>>> entity >>> to >>>>>> which it is addressed and may contain information that is >>>>>> privileged, >>>>>> confidential and exempt from disclosure under applicable law. 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-- Sent from my mobile device Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 Those who don't understand UNIX are condemned to reinvent it, poorly. --- Henry Spencer -------------------------------------------------------------------------------- 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/
