Plastic next to the antennas??? CRAZY! So the radios pretty much talk to themselves a lot, huh. Hearing voices in their heads.........
-----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Jayson Baker Sent: Wednesday, December 02, 2009 10:36 PM To: WISPA General List Subject: Re: [WISPA] Multiple Radio cards in an enclosure I have to laugh at one of our competitors who uses PLASTIC enclosures next to their antennas on the tower. Even on the most RF-jam packed sites. One site in particular you can almost get a fluorescent light to glow just holding it in your hands. And there they are with their plastic enclosures. And can't figure out why their system sucks ass. Oh well. They burned us for over $100k in consulting fees and equipment. It makes me laugh everytime I see it. On Wed, Dec 2, 2009 at 8:30 PM, Marlon K. Schafer <o...@odessaoffice.com>wrote: > I've given up on this. There is just too much cross talk. I put all > radios > in the same band in their own METAL enclosure nowadays. I try to keep them > at least 3 or 6 feet apart too. Life is much much nicer. > marlon > > ----- Original Message ----- > From: "Mike" <m...@aweiowa.com> > To: "WISPA General List" <wireless@wispa.org> > Sent: Wednesday, December 02, 2009 8:13 AM > Subject: [WISPA] Multiple Radio cards in an enclosure > > > > Since I am probably one of the veterans called out yesterday for my > > messaging etiquette, I am changing the subject. > > > > I am interested in the multiple radios in an enclosure idea. I do > > have a couple with 5.8 and 2.4 gear in the same box, but have been > > afraid to put cards in the same band in the same case. > > > > The foil spacer you put between cards Bob, do you then ground it to > > create a sort of Faraday shield? I know the XRx cards do a good job > > of shielding if you attach the pigtail. > > > > How about the receive sensitivity on the 411 cards? Has that been an > > issue? I think the XR cards have better specs. Wouldn't having > > multiple 411 cards in the same box possibly have desense issues too? > > > > Mike > > > > > > At 09:41 AM 12/2/2009, you wrote: > >>Forgot to add, if you're concerned with any RF collisions inside the box, > >>the other thing I talked about earlier, having just 3 411 cards in their > >>own > >>box at the sector then running Cat5 to transparent bridge the 411's to a > >>central RouterOS device would take any of that issue totally away. > That's > >>one that I'm doing just to do it, basically. Was an idea from someone a > >>couple of months ago. (I actually listen to you guys) Had a 600a doing > >>nothing and some 411 cards "so why not play?" was my thinking. > >> > >>Bob- > >> > >> > >>-----Original Message----- > >>From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > >>Behalf Of Mike > >>Sent: Wednesday, December 02, 2009 9:48 AM > >>To: WISPA General List > >>Subject: Re: [WISPA] Sectors > >> > >>Have you had any issues with putting 3 radio cards in the same > >>spectrum in the same box? I've thought about that but wondered if > >>there would be desense issues where one transmitting desensitizes > >>another one listening. > >> > >> > >>At 08:38 AM 12/2/2009, you wrote: > >> >Yep, looks like you're hitting the wall. We aren't lucky enough to > push > >> >3 > >> >meg here, the most is usually 1 so again, all depends on your customer > >>base. > >> > > >> >I'd say if you already have 35 on that one AP, just splitting it into 2 > >> >180 > >> >degree sectors will just cost you cash as soon as you gain a few more > >> >customers. You already have 35 pulling it down, sounds like if you > just > >> >do > >> >2 180's, if split evenly (and it never will be) that would put you to > >> >where > >> >you probably want to be for smooth delivery but not much room for more > >> >growth. I'd go with 3 120's and a 433AH with 3 cards on it, one per > >>sector. > >> >I have a few like that and it works fine for what I do but again, I > only > >> >dole out 1mb per sub typically. I've also been upgrading some of my > >> >remote > >> >AP's to one 433AH with only one radio installed and an Omni. The > >> >anticipated upgrade path is to just add a sector or 2 and radio card as > >> >needed to the point where I have 3 sectors. Keeping the Omni of course > >> >until the third sector is needed. That's something someone already > >> >suggested doing and I like the economics of it. > >> > > >> >Bob- > >> > > >> > > >> > > >> >-----Original Message----- > >> >From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] > On > >> >Behalf Of Jason Hensley > >> >Sent: Wednesday, December 02, 2009 9:26 AM > >> >To: 'WISPA General List' > >> >Subject: Re: [WISPA] Sectors > >> > > >> >Max 3meg - b only mode on this particular AP. Most are still able to > >> >get > >> >that, but we're seeing a decline on how many can pull 3meg. At peak > >> >times, > >> >we've seen it to where users aren't able to get much over 1meg, but > >> >that's > >> >not happening very often right now. > >> > > >> > > >> > > >> >-----Original Message----- > >> >From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] > On > >> >Behalf Of Robert West > >> >Sent: Wednesday, December 02, 2009 8:23 AM > >> >To: 'WISPA General List' > >> >Subject: Re: [WISPA] Sectors > >> > > >> >Yeah, how much bandwidth are you passing to those 35 customers, Jason? > >>Just > >> >curious. > >> > > >> >Bob- > >> > > >> > > >> > > >> >-----Original Message----- > >> >From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] > On > >> >Behalf Of os10ru...@gmail.com > >> >Sent: Wednesday, December 02, 2009 9:10 AM > >> >To: WISPA General List > >> >Subject: Re: [WISPA] Sectors > >> > > >> >Do you think you're hitting the limit of 802.11b/g or is it the lack of > >> >horsepower on the AP's CPU? > >> > > >> >Greg > >> >On Dec 2, 2009, at 8:33 AM, Jason Hensley wrote: > >> > > >> > > On this same subject, would it be better to put up 3 individual > AP's, > >> > > or > >> > > would something like the Deliberant Quad work well if the issue is > AP > >> > > overload. I have an AP that has 35 subscribers right now. We've > >> > > seen a > >> > > performance drop on it and are considering sectoring. > >> > > > >> > > Any thoughts on a dual (or quad) radio on a single board vs multiple > >> >boards > >> > > with single radios? > >> > > > >> > > > >> > > > >> > > -----Original Message----- > >> > > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org > ] > >> > > On > >> > > Behalf Of Rick Harnish > >> > > Sent: Wednesday, December 02, 2009 6:28 AM > >> > > To: 'WISPA General List' > >> > > Subject: Re: [WISPA] Sectors > >> > > > >> > > Mark, > >> > > > >> > > If I remember right, you are in Missouri. I was looking for the > >>strength > >> >of > >> > > your omni. We have had good success with 9 db omni's in the Indiana > >> > > farmland. When we need to sectorize but the market capacity is not > >> > > that > >> > > high, we often go to (2) 180 Superpass 9 db sectors. We have had > >> > > good > >> >luck > >> > > with them over the years. They improve our signal to existing > >> > > clients > >>and > >> > > enable affordable expansion in rural areas. If the market will > >> > > justify > >>3 > >> > > sectors, I would go that way though. > >> > > > >> > > Many of our Wireless POPs are pico-cells and we try to limit our > >>salesmen > >> >to > >> > > a 6 mile diameter around the tower. Although, we can often go > >> > > farther, > >>we > >> > > try to stay inside these guidelines when possible. To achieve a high > >> >density > >> > > of broadcast stations, many locations are needed. Luckily, we are > >> > > well > >> > > established in our area and have most of these sites already in > >>operation. > >> > > Your mileage may vary given your topology and broadcast site > density. > >> > > > >> > > Rick Harnish > >> > > > >> > >> -----Original Message----- > >> > >> From: wireless-boun...@wispa.org [mailto: > wireless-boun...@wispa.org] > >> > >> On > >> > >> Behalf Of Mark McElvy > >> > >> Sent: Tuesday, December 01, 2009 10:51 PM > >> > >> To: WISPA General List > >> > >> Subject: [WISPA] Sectors > >> > >> > >> > >> I am running 2.4 HPOL It has taken about 1.5 yrs to grow this AP to > >> > >> 32 > >> > >> subs. > >> > >> > >> > >> -----Original Message----- > >> > >> From: wireless-boun...@wispa.org [mailto: > wireless-boun...@wispa.org] > >> > >> On > >> > >> Behalf Of 3-dB Networks > >> > >> Sent: Tuesday, December 01, 2009 9:37 PM > >> > >> To: 'WISPA General List' > >> > >> Subject: Re: [WISPA] Sectors > >> > >> > >> > >> What frequency band and polarization? > >> > >> > >> > >> I would also strongly consider your reasoning for moving from the > >> > >> Omni > >> > >> to > >> > >> the sectors. If it is because your AP is overloaded so you need to > >> > >> offload > >> > >> some, 3 AP's might be attractive for future proofing sakes. > >> > >> > >> > >> Daniel White > >> > >> 3-dB Networks > >> > >> http://www.3dbnetworks.com > >> > >> > >> > >> > >> > >> -----Original Message----- > >> > >> From: wireless-boun...@wispa.org [mailto: > wireless-boun...@wispa.org] > >> > >> On > >> > >> Behalf Of Mark McElvy > >> > >> Sent: Tuesday, December 01, 2009 8:29 PM > >> > >> To: WISPA General List > >> > >> Subject: Re: [WISPA] Sectors > >> > >> > >> > >> 9db > >> > >> > >> > >> -----Original Message----- > >> > >> From: wireless-boun...@wispa.org [mailto: > wireless-boun...@wispa.org] > >> > >> On > >> > >> Behalf Of Rick Harnish > >> > >> Sent: Tuesday, December 01, 2009 7:42 PM > >> > >> To: 'WISPA General List' > >> > >> Subject: Re: [WISPA] Sectors > >> > >> > >> > >> What size omni are you using? > >> > >> > >> > >>> -----Original Message----- > >> > >>> From: wireless-boun...@wispa.org > >> > >>> [mailto:wireless-boun...@wispa.org] > >> > >> On > >> > >>> Behalf Of Josh Luthman > >> > >>> Sent: Tuesday, December 01, 2009 7:59 PM > >> > >>> To: WISPA General List > >> > >>> Subject: Re: [WISPA] Sectors > >> > >>> > >> > >>> That is the general suggestion - two 120s. That one guy that does > >> > >>> antenna design said so :) > >> > >>> > >> > >>> You will get some less coverage then three 120s but at the cost of > >> > >> the > >> > >>> extra radio/antenna it isn't cost efficient. > >> > >>> > >> > >>> On 12/1/09, Mark McElvy <mmce...@accubak.com> wrote: > >> > >>>> I need to sector a tower that currently is an omni. I don't > >> > >>>> really > >> > >>> want > >> > >>>> to go to 3x 120's but find it hard to find 180's and have heard > >> > >> they > >> > >>>> don't tend to work great. I have also heard 2x 120's will work, > >> > >>>> any > >> > >>>> comments? > >> > >>>> > >> > >>>> > >> > >>>> > >> > >>>> Mark > >> > >>>> > >> > >>>> > >> > >>>> > >> > >>>> > >> > >> > --------------------------------------------------------------------- > >> > >>> ----------- > >> > >>>> 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/ > >> > >>>> > >> > >>> > >> > >>> > >> > >>> -- > >> > >>> Josh Luthman > >> > >>> Office: 937-552-2340 > >> > >>> Direct: 937-552-2343 > >> > >>> 1100 Wayne St > >> > >>> Suite 1337 > >> > >>> Troy, OH 45373 > >> > >>> > >> > >>> "The secret to creativity is knowing how to hide your sources." > >> > >>> --- Albert Einstein > >> > >>> > >> > >>> > >> > >>> > >> > >> > ----------------------------------------------------------------------- > >> > >>> --------- > >> > >>> WISPA Wants You! 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