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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