WRAP/StarOSv2 On Tue, Jun 30, 2009 at 11:50 PM, Josh Luthman<j...@imaginenetworksllc.com> wrote: > What 802.11 gear doesn't? Tranzeo maybe..? > > On 6/30/09, RickG <rgunder...@gmail.com> 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<j...@imaginenetworksllc.com> 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 <rgunder...@gmail.com> 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<robert.w...@just-micro.com> >>>> 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: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] 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" <m...@tc3net.com> >>>>>>> To: "WISPA General List" <wireless@wispa.org> >>>>>>> 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: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] >>>>>>>>> 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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Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > -- > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > "When you have eliminated the impossible, that which remains, however > improbable, must be the truth." > --- Sir Arthur Conan Doyle > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ >
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