I think they call it "cloaking" Mike Hammett wrote: > v2, I'm pretty sure v3 does. > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > > -------------------------------------------------- > From: "Josh Luthman" <[email protected]> > Sent: Wednesday, July 01, 2009 12:50 AM > To: "WISPA General List" <[email protected]> > Subject: Re: [WISPA] Antenna Performance > > >> StarOS doesn't? Huh didn't see that one coming... >> >> On 7/1/09, RickG <[email protected]> wrote: >> >>> WRAP/StarOSv2 >>> >>> On Tue, Jun 30, 2009 at 11:50 PM, Josh >>> Luthman<[email protected]> wrote: >>> >>>> What 802.11 gear doesn't? Tranzeo maybe..? >>>> >>>> On 6/30/09, RickG <[email protected]> wrote: >>>> >>>>> Thats a great idea! Of course, you gotta have equipment that supports >>>>> smaller channels. Egads, another items for my "to do list"! >>>>> Thanks! -RickG >>>>> >>>>> On Tue, Jun 30, 2009 at 9:57 PM, Josh >>>>> Luthman<[email protected]> wrote: >>>>> >>>>>> That's assuming you're using 2.4 and 20mhz channels. I feel it is >>>>>> only wise to use 10 or even 5 mhz channels. >>>>>> >>>>>> You drop those laptops that can see the AP and think they can get >>>>>> service. You cut interference in half and focus the power in half the >>>>>> bandwidth (bit more coverage!). You can only use things that can use >>>>>> the smaller channels. >>>>>> >>>>>> On 6/30/09, RickG <[email protected]> wrote: >>>>>> >>>>>>> After my last comment on this about the omni, I'm hesitant to give >>>>>>> out >>>>>>> advise but here it goes anyway: >>>>>>> My worst operating tower is quad-sectored. With 2.4GHz it's best to >>>>>>> stick with tri-sectors since you only have 3 non-over channels. Just >>>>>>> my two cents worth... >>>>>>> -RickG >>>>>>> >>>>>>> On Tue, Jun 30, 2009 at 2:46 PM, Robert >>>>>>> West<[email protected]> >>>>>>> wrote: >>>>>>> >>>>>>>> I decided to just upgrade the whole thing and install sector >>>>>>>> antennas. >>>>>>>> It'll eventually go that way anyhow. This spot is the farthest out >>>>>>>> we >>>>>>>> reach >>>>>>>> but last week, out of nowhere, the calls started to come in from >>>>>>>> that >>>>>>>> area >>>>>>>> asking about service so I guess a real upgrade is in order. I have a >>>>>>>> set >>>>>>>> of >>>>>>>> 2.4 sector antennas that have been sitting around unused so I guess >>>>>>>> that >>>>>>>> can >>>>>>>> be the home for them. The 5.8 however, any suggestions on that for >>>>>>>> sector? >>>>>>>> Again, going into the 600a routerboard, R5H cards. >>>>>>>> >>>>>>>> My 2.4ghz sector antennas are 90 degree, so we'll be using 4. If we >>>>>>>> use >>>>>>>> 1 >>>>>>>> card for each sector on the 2.4, then go with 3 antennas for the 5.8 >>>>>>>> and >>>>>>>> use >>>>>>>> our Ubiquiti XR5 for the backhaul, that's going to fill up all 8 >>>>>>>> slots >>>>>>>> on >>>>>>>> the 600a. Never been to that point before, will our 48v POE run this >>>>>>>> whole >>>>>>>> thing or should I just add another routerboard for the 5.8 and the >>>>>>>> backhaul? >>>>>>>> My head is telling me to just add the board but the wallet is >>>>>>>> running >>>>>>>> away >>>>>>>> from me............ >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: [email protected] [mailto:[email protected]] >>>>>>>> On >>>>>>>> Behalf Of Curtis Maurand >>>>>>>> Sent: Tuesday, June 30, 2009 11:14 AM >>>>>>>> To: WISPA General List >>>>>>>> Subject: Re: [WISPA] Antenna Performance >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> http://www.radiolabs.com/products/antennas/2.4gig/2.4-aluminum-parabolic.php >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> If you've got to go 10 miles, then you need gain. >>>>>>>> From the website. >>>>>>>> >>>>>>>> *2.4 GHz 24db Directional Parabolic Grid WiFi Antenna* >>>>>>>> >>>>>>>> *The Directional High Gain WiFi Parabolic Grid* WiFi Antenna offers >>>>>>>> 24dBi gain at the connector and a tight 8 Degree beamwidth. The high >>>>>>>> gain wifi antenna is an aluminum die cast which is then powder coat >>>>>>>> painted for added environmental protection. Because of its grid >>>>>>>> design >>>>>>>> the antenna offers excellent wind loading characteristics. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Michael Baird wrote: >>>>>>>> >>>>>>>>> Marlon, >>>>>>>>> >>>>>>>>> Not sure what you are saying here. According to the vendors >>>>>>>>> specificatons. >>>>>>>>> >>>>>>>>> Teletronics 15-124 - 19DB horizontal w/8 degree vertical beamwidth. >>>>>>>>> Tranzeo TR-24H-120-16 - 16DB horizontal w/6 degree vertical >>>>>>>>> beamwidth. >>>>>>>>> >>>>>>>>> Yes it is odd that the Teletronics claims a higher VB, but then >>>>>>>>> again >>>>>>>>> it, it cost a lot more and should be a better antenna, as I believe >>>>>>>>> gain >>>>>>>>> not only comes with narrowing coverage (sector width), but antenna >>>>>>>>> design. >>>>>>>>> >>>>>>>>> Regards >>>>>>>>> Michael Baird >>>>>>>>> >>>>>>>>> >>>>>>>>>> Gain only comes from narrowing coverage with antennas. >>>>>>>>>> >>>>>>>>>> If there are both 120* antennas you can't have HIGHER gain with >>>>>>>>>> GREATER >>>>>>>>>> coverage.... It takes half the coverage area go give you twice the >>>>>>>>>> power >>>>>>>>>> >>>>>>>>>> (3DB of gain). >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>> http://www.odessaoffice.com/wireless/antenna/how_to_pick_the_right_antenna.h >>>>>>>> tm >>>>>>>> >>>>>>>>>> laters, >>>>>>>>>> marlon >>>>>>>>>> >>>>>>>>>> ----- Original Message ----- >>>>>>>>>> From: "Michael Baird" <[email protected]> >>>>>>>>>> To: "WISPA General List" <[email protected]> >>>>>>>>>> Sent: Sunday, June 28, 2009 2:32 PM >>>>>>>>>> Subject: Re: [WISPA] Antenna Performance >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> Not ,the same downtilt angle, same percentage as the old one. The >>>>>>>>>>> previous antenna was a Tranzeo 16db w/6 degree vertical, the >>>>>>>>>>> Teletronics >>>>>>>>>>> 19db has a 8 degree vertical actually larger VB then the 16db at >>>>>>>>>>> 6. >>>>>>>>>>> They >>>>>>>>>>> are both at .3 degrees downtilt. The only reason I mention the >>>>>>>>>>> VSWR >>>>>>>>>>> is >>>>>>>>>>> because the teletronics VSWR is 1.1:4, vs 1.5 on the Tranzeo. The >>>>>>>>>>> Teletronics is down about 6db on the CPE side for all the clients >>>>>>>>>>> on >>>>>>>>>>> the >>>>>>>>>>> test sector, on the AP side it's the same. I tested multiple >>>>>>>>>>> tilt's >>>>>>>>>>> as >>>>>>>>>>> well, between 0-1 degree was the best on the CPE side. >>>>>>>>>>> >>>>>>>>>>> Regards >>>>>>>>>>> Michael Baird >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>>> First thing that comes to my mind reading your post is that you >>>>>>>>>>>> >>>>>>>> installed >>>>>>>> >>>>>>>>>>>> a >>>>>>>>>>>> higher gain antenna which means your vertical beam is going to >>>>>>>>>>>> be >>>>>>>>>>>> narrower >>>>>>>>>>>> (sometimes higher gain is not always better). Being that you >>>>>>>>>>>> installed >>>>>>>>>>>> the >>>>>>>>>>>> antenna with the same down tilt angle your missing the mark >>>>>>>>>>>> because >>>>>>>>>>>> you >>>>>>>>>>>> >>>>>>>>>>>> have >>>>>>>>>>>> a narrower vertical beam. >>>>>>>>>>>> >>>>>>>>>>>> As for the VSWR nothing really considered too low. If your VSWR >>>>>>>>>>>> is >>>>>>>>>>>> >>>>>>>> higher >>>>>>>> >>>>>>>>>>>> then 1.5:1 then you have a problem for sure. >>>>>>>>>>>> >>>>>>>>>>>> Personally never used or tested TT's 15-124 antenna but have >>>>>>>>>>>> sold >>>>>>>>>>>> a >>>>>>>>>>>> few >>>>>>>>>>>> >>>>>>>>>>>> of >>>>>>>>>>>> them with no complaints on it as far as I know. >>>>>>>>>>>> >>>>>>>>>>>> -----Original Message----- >>>>>>>>>>>> From: [email protected] >>>>>>>>>>>> [mailto:[email protected]] >>>>>>>>>>>> On >>>>>>>>>>>> Behalf Of Michael Baird >>>>>>>>>>>> Sent: Sunday, June 28, 2009 8:33 AM >>>>>>>>>>>> To: WISPA General List >>>>>>>>>>>> Subject: [WISPA] Antenna Performance >>>>>>>>>>>> >>>>>>>>>>>> I picked up a Teletronics 15-124 19db horizontal antenna for >>>>>>>>>>>> testing >>>>>>>>>>>> >>>>>>>> and >>>>>>>> >>>>>>>>>>>> deployed it in place of a Tranzeo 16db Horizontal (TilTek?), >>>>>>>>>>>> using >>>>>>>>>>>> same >>>>>>>>>>>> pigtail and radio. With the clients on this sector, the AP side >>>>>>>>>>>> is >>>>>>>>>>>> the >>>>>>>>>>>> same, but the CPE receive side seems to have suffered with this >>>>>>>>>>>> larger >>>>>>>>>>>> antenna. Nothing was changed other then the antenna, aimed to >>>>>>>>>>>> the >>>>>>>>>>>> exact >>>>>>>>>>>> same degree, tilted the same percentage of vertical tilt, and so >>>>>>>>>>>> forth. >>>>>>>>>>>> I'm thinking the antenna isn't very good, or it's VSWR is too >>>>>>>>>>>> low >>>>>>>>>>>> and >>>>>>>>>>>> I'm getting some power reflected from the antenna. Anybody have >>>>>>>>>>>> experience with this antenna, or these scenarios? >>>>>>>>>>>> >>>>>>>>>>>> I expected this bigger, more expensive antenna to gain all >>>>>>>>>>>> across >>>>>>>>>>>> the >>>>>>>>>>>> board. >>>>>>>>>>>> >>>>>>>>>>>> Regards >>>>>>>>>>>> Michael Baird >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>> ---------------------------------------------------------------------------- >>>>>>>> >>>>>>>>>>>> ---- >>>>>>>>>>>> WISPA Wants You! 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