Who uses 2.4 GHz anymore? When I started almost 4 years ago, I chose 5 GHz because of the potential for 2.4 GHz noise and the lack of spectrum.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -------------------------------------------------- From: "Chuck Hogg" <[email protected]> Sent: Wednesday, January 07, 2009 2:11 PM To: "WISPA General List" <[email protected]> Subject: Re: [WISPA] Typical Sector count > You don't have enough channel overlap with 90 degree sectors in 2.4, > 5Ghz probably ok...but not 2.4 ? > > Regards, > Chuck Hogg > Avolutia, LLC > 502-722-9292 > [email protected] > www.avolutia.com > www.shelbywireless.com > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Mike Hammett > Sent: Wednesday, January 07, 2009 3:01 PM > To: WISPA General List > Subject: Re: [WISPA] Typical Sector count > > Interference protection is exactly why I went with 90*. Not that > there's > much to be worried about where I am, but I figured it a better decision > to > overbuild. That and extra capacity, something most WISPs don't engineer > > for. > > The omnis are only for small areas, of a half mile or less. > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > > -------------------------------------------------- > From: "Jack Unger" <[email protected]> > Sent: Wednesday, January 07, 2009 1:34 PM > To: "WISPA General List" <[email protected]> > Subject: Re: [WISPA] Typical Sector count > >> Mike, >> >> Just my 2 cents worth (after 50 years of RF experience). >> >> In many cases, four 90-degree sectors is a waste of money. You will > have >> more sector overlap than need. Three 120-degree sectors is just as >> effective and costs less. >> >> A single omni is normally a bad idea. You have no protection from >> interference coming in from any direction. >> >> jack >> >> >> Mike Hammett wrote: >>> Since Patrick posed that question about cost for a typical 3 sector >>> tower, I ask the following question: >>> >>> How many sectors is typical for you? >>> >>> My answer is 4x 90*, unless it's a small area repeater, which is then > a >>> single omni, or different as that situation requires. >>> >>> >>> ----- >>> Mike Hammett >>> Intelligent Computing Solutions >>> http://www.ics-il.com >>> >>> >>> >>> > ------------------------------------------------------------------------ > -------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> > ------------------------------------------------------------------------ > -------- >>> >>> WISPA Wireless List: [email protected] >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >>> >>> >>> >> >> -- >> Jack Unger - President, Ask-Wi.Com, Inc. >> Serving the Broadband Wireless Industry Since 1993 >> Cisco Press Author - "Deploying License-Free Wireless WANs" >> WISPs - Do you know where your customers are? >> For wireless coverage mapping see http://www.ask-wi.com/mapping >> FCC Lic. #PG-12-25133 LinkedIn Profile >> <http://www.linkedin.com/in/jackunger> >> Phone 818-227-4220 Email <[email protected]> >> >> >> >> >> > ------------------------------------------------------------------------ > -------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> > ------------------------------------------------------------------------ > -------- >> >> WISPA Wireless List: [email protected] >> >> 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: [email protected] > > 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: [email protected] > > 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: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
