Gav is correct. Difference in pattern and beam width were already accounted at the time of antenna design. So a 10dB omni, sector etc give you the same RANGE. But sectors are better from the noise and interference perspective.
Nish -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dennis Burgess Sent: Saturday, July 19, 2003 12:07 PM To: '[EMAIL PROTECTED]' Subject: Re: [smartBridges] Sector antenna range vs omni Anyone want to rule on this? Dennis ----- Original Message ----- From: "gav" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, July 18, 2003 9:56 PM Subject: Re: [smartBridges] Sector antenna range vs omni > a 10db omni will give you same range as a 10db sector no matter if its 60 > deg, 90 deg or 120 deg. 10db gain is 10db gain... > > Gino > > > ----- Original Message ----- > From: "Kevin Summers" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Friday, July 18, 2003 11:56 PM > Subject: RE: [smartBridges] Sector antenna range vs omni > > > > > > Basically, for the same power antennas, let's say 10db omni > > and a 10db sector, basic logic suggests that a 180 degree > > sector would go twice as far as an omni, because the power > > that was directed all around, is now directed in half of > > that area. Actual real world results will of course vary. > > > > The more focused the beam, the farther it will travel. Just > > like holding your thumb over the end of a garden hose. The > > tighter you hold your thumb on it, the more focused the > > stream gets, and the farther it shoots. > > > > Kevin Summers > > KISTech Internet Services Inc. > > www.kistech.com > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Dennis Burgess > > > Sent: Friday, July 18, 2003 7:14 PM > > > To: [EMAIL PROTECTED] > > > Subject: Re: [smartBridges] Sector antenna range vs omni > > > > > > > > > In general. What would be the ranges. 10 miles vs 2 miles.. > > > Assuming line > > > of sight. > > > > > > Dennis > > > > > > ----- Original Message ----- > > > From: "Kevin Summers" <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Friday, July 18, 2003 9:08 PM > > > Subject: RE: [smartBridges] Sector antenna range vs omni > > > > > > > > > > > > > > No, because when your OMNI sends out a signal it's going in > > > > all directions. A sector takes that signal and focuses it's > > > > strength in the direction you've got it pointing. A sector > > > > antenna will also "hear" better because it's focused on one > > > > area rather than everything coming in from every direction. > > > > The noise floor for a setup with an OMNI is much higher than > > > > that of a sector setup. > > > > > > > > Kevin Summers > > > > KISTech Internet Services Inc. > > > > www.kistech.com > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED] Behalf Of Dennis Burgess > > > > Sent: Friday, July 18, 2003 5:33 PM > > > > To: [EMAIL PROTECTED] > > > > Subject: Re: [smartBridges] Sector antenna range vs omni > > > > > > > > > > > > Still the question is, does a Omni give you the same range as a > sector? > > > > > > > > Dennis > > > > > > > > ----- Original Message ----- > > > > From: John > > > > To: [EMAIL PROTECTED] > > > > Sent: Friday, July 18, 2003 5:04 PM > > > > Subject: RE: [smartBridges] Sector antenna range vs omni > > > > > > > > > > > > sectors do a few things for me. One they allow me to split out > > > my customer > > > > and not over load an AP. secondly they allow me to track people that > are > > > war > > > > roaming. Third they allow me to change my tilt to the typography of > the > > > > area. and last they mount nicely to the railing of water tanks and > sides > > > of > > > > buildings giving me inexpensive towers. > > > > > > > > John Mooring > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED] Behalf Of Jason Keller > > > > Sent: Friday, July 18, 2003 2:24 AM > > > > To: [EMAIL PROTECTED] > > > > Subject: RE: [smartBridges] Sector antenna range vs omni > > > > > > > > > > > > The sectorized maxrad omni is a joke. Save yourself about 500$ and buy > > > three > > > > of there wisp series sectors and be done with it. You pay an extra > $500 > > > for > > > > a fancy mounting apparatus to put them all together. Trust me > > > there is no > > > > difference in the performance, or appearance of the antenna's. Jason > > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] > > > > On Behalf Of John Hokenson > > > > Sent: Friday, July 18, 2003 1:02 AM > > > > To: [EMAIL PROTECTED] > > > > Subject: Re: [smartBridges] Sector antenna range vs omni > > > > > > > > The nice thing about the Maxrad sectorized omni is you can adjust the > > > > patterns to exactly match your coverage area. Most everyone that I > know > > > > that's used them say they out perform the equivalent gain omni by some > > > > degree. > > > > > > > > JH > > > > ----- Original Message ----- > > > > From: phantam > > > > To: '[EMAIL PROTECTED]' > > > > Sent: Thursday, July 17, 2003 10:10 PM > > > > Subject: RE: [smartBridges] Sector antenna range vs omni > > > > > > > > Supposedly work decently but in my view there overpriced DRASTICALLY > > > > > > > > > > > > > > > > > > > > From: Dennis Burgess [mailto:[EMAIL PROTECTED] > > > > Sent: Friday, July 18, 2003 12:38 AM > > > > To: [EMAIL PROTECTED] > > > > > > > > Assuming a 13 db omni and a 13 dbi sector, and the same power, what is > > > going > > > > to be the better of the two as far as distance. If there is a > > > diffference, > > > > how much? > > > > > > > > Also, I have looked at another omni that is sectorized. I'm > > > assuming its > > > > one physical unit, with three seperate antennas, and then you add a > > > > splitter, reducing your power. Do these work decently? > > > > > > > > Dennis > > > > > > > > > > > > The PART-15.ORG smartBridges Discussion List > > > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > > smartBridges <yournickname> > > > > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > > > smartBridges) > > > > Archives: http://archives.part-15.org > > > > > > > > > The PART-15.ORG smartBridges Discussion List > > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > > smartBridges <yournickname> > > > To Remove: mailto:[EMAIL PROTECTED] (in the body type > > > unsubscribe smartBridges) > > > Archives: http://archives.part-15.org > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > smartBridges <yournickname> > > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > smartBridges) > > Archives: http://archives.part-15.org > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) > Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
