How do you make this determination? What about an R52, or R5H? What about integrated units like NS2, NS2L?
Jayson On Sat, May 2, 2009 at 10:00 AM, <e...@wisp-router.com> wrote: > Keep in mind that this is not necessary true depending what chip set the > card is using. For example the SR2 cards will always listen to 20Mhz even if > they only transmit on 10MHz or even 5MHz. While for example a XR2 set in > 10MHz mode will only listen to 10MHz. > > /Eje > CTO > WISP-Router, Inc. > Sent via BlackBerry from T-Mobile > > -----Original Message----- > From: Scott Reed <scottr...@onlyinternet.net> > > Date: Sat, 02 May 2009 11:40:31 > To: WISPA General List<wireless@wispa.org> > Subject: Re: [WISPA] Sector separation/isolation > > > Right now channel 1 uses channel 1, 2 and 3. Channel 6 uses 4-8. When > you go to 10MHz channels 1 will use 1 and 2. 6 will use 5, 6 and 7. > Therefore, you are no longer on adjacent channels, there is a gap of > channels 3 and 4 between. > Also, you will cut down on the amount of other noise you hear because > you listen to only half as much spectrum. > And, you will have more effective power so noise may be less of a problem. > > I am sure there are some RF savvy folks out there that can explain it > better. > > Michael Baird wrote: > > I can try that, can you tell me why that would make a difference though > > with the AP's seeing each other at such signal levels? Will changing to > > 10mhz channel width's cause the AP's to see each other at a lower RSSI? > > > > Regards > > Michael Baird > > > >> Use 10mhz channels instead of 20mhz. > >> > >> Kurt Fankhauser > >> WAVELINC > >> P.O. Box 126 > >> Bucyrus, OH 44820 > >> 419-562-6405 > >> www.wavelinc.com > >> > >> > >> -----Original Message----- > >> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > >> Behalf Of Michael Baird > >> Sent: Saturday, May 02, 2009 6:54 AM > >> To: WISPA General List > >> Subject: [WISPA] Sector separation/isolation > >> > >> We are still experimenting with aligning sector's on our towers. We are > >> attempting to use 3 120 degree/13db/6.5 vb/7 degree downtilt, antennas > >> to cover 360 degrees. I just inspected the towers myself, and noticed > >> they are setup at 30 degrees/150 degrees/290 degrees (so they aren't > >> right exactly). So the problem that caused me to inspect the tower was > >> the signal level I can see the other AP's at. > >> > >> AP 30 can see AP 150 at -39 and AP 290 at -42. > >> AP 150 can see AP 30 at -42 and AP 290 at -70. > >> AP 290 can see AP 30 at -39 and AP 150 at -65. > >> > >> So I'm guessing that the reason 150/290 are much higher is because of > >> the additional 20 degrees between them. These AP's are on channels > >> 1/6/11, I'm wondering if I should worry about seeing the other AP's with > >> such a hot signal, and if so what are some good ways to isolate them > better. > >> > >> Regards > >> Michael Baird > >> > >> > >> > ---------------------------------------------------------------------------- > >> ---- > >> WISPA Wants You! 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