> They have SNR but not RSSI, which Does that mean they can't do a spectrum scan to get rssi of AP? And need to be associated to get a SNR?
Tom DeReggi RapidDSL & Wireless, Inc IntAirNet- Fixed Wireless Broadband ----- Original Message ----- From: "jp" <[EMAIL PROTECTED]> To: "WISPA General List" <wireless@wispa.org> Sent: Monday, September 29, 2008 10:34 AM Subject: Re: [WISPA] Dual Pol Antennas > The NS5 two small antennnas in it, one for each polarity. They have SNR > but not RSSI, which > I don't like. They don't currently do WPA2+WDS together very well; the > firmware is > improving quickly and has a lot of room for improvement, but is promising. > You can't turn > radio power down lower than 10dbm, and it's a 50/50 chance whether the > radio will have an > SMA or reverseSMA connector if you want to use an external antennas. I'd > like to see a > few more months of polishing before recommending them. We have only used > them with MT and > nanostation APs. > > On Sun, Sep 28, 2008 at 01:49:02PM -0500, Tom DeReggi wrote: >> Just looked up the Arc wireless 5.x DP subscriber antenna. Looks like a >> pretty awesome option. >> 20dbi DP for around $60 + $60 for mount and enclosure if desired. Thats >> makin' it real. >> >> Not to switch subjects but... The NanoStation5, has two 14dbi Dual pol >> antennas inside. A great value, for near range residential, for $100. >> Any negatives with these units (for their purpose)? Do they report full >> RF >> stats such as SNR and RSSI of the link? >> >> Have people found that they work well with StarOS and Mikrotik APs? (for >> their purpose of a single user residential type CPE) >> >> Tom DeReggi >> RapidDSL & Wireless, Inc >> IntAirNet- Fixed Wireless Broadband >> >> >> ----- Original Message ----- >> From: <[EMAIL PROTECTED]> >> To: "WISPA General List" <wireless@wispa.org> >> Sent: Sunday, September 28, 2008 12:52 PM >> Subject: Re: [WISPA] Dual Pol Antennas >> >> >> > The MTI 5GHz dual-pol sectors we bought were around $600 if I remember >> > correctly. >> > >> >> Interesting. I wasn't saying that it isn't hard. >> >> >> >> Some manufacturers have found easy and cost effective ways to make >> >> Dual >> >> Pol >> >> antennas. But I'm guessing there could be some intelectual property >> >> patent >> >> issues, or anyone to do it? >> >> >> >> But there has to be some savings attributed to shared costs such as >> >> ... >> >> mounts, case, shipping costs, overhead, distributor markup, R&D. >> >> These >> >> things are all a tangable cost that goes toward the cost of a single >> >> pol >> >> antenna, and are not increased when the inside of the antenna design >> >> gets >> >> modified to be DP. I'd be intereted in what percentage of a single >> >> pol >> >> antenna cost is for the above 4 things compared to the element itself. >> >> >> >> Truthfully, we have come a long way with DP design and price for >> >> parabolics >> >> and subscriber panels. >> >> >> >> What realy confuses me is, why manufacturers still can;t come up with >> >> a >> >> low >> >> cost DP AP sector antenna? >> >> >> >> Its ironic as heck, that trango can sell an entire AP radio and int DP >> >> sector antenna, for less than third parties sell a single DP sector >> >> antenna >> >> by itself. >> >> >> >> Thats still the missing peice of the puzzle in 5.x Ghz DP. >> >> >> >> Its Ironic as heck... Titltek can make a 4ft 900Mhz dual pol 90deg for >> >> under >> >> $700. But can't find a < 2ft 5.x Ghz Dp 90 for less than a grand. >> >> The last few I did, I took my old Trango 5800s, drill holes in them >> >> for >> >> the >> >> pigtails, took out the SBC, and used them for the antenna. It was >> >> cheaper >> >> than buying an antenna. >> >> >> >> A couple vendors have represented that they can make them. But I don't >> >> see >> >> part numbers listed. I'd love to see these in the sub $300 range. >> >> >> >> Tom DeReggi >> >> RapidDSL & Wireless, Inc >> >> IntAirNet- Fixed Wireless Broadband >> >> >> >> >> >> ----- Original Message ----- >> >> From: "Chuck McCown - 3" <[EMAIL PROTECTED]> >> >> To: "WISPA General List" <wireless@wispa.org> >> >> Sent: Saturday, September 27, 2008 11:30 AM >> >> Subject: Re: [WISPA] Dual Pol Antennas >> >> >> >> >> >>>A dual pol panel antenna can be an order of magnitude more difficult >> >>>to >> >>>make >> >>> than a single linear polarized antenna. Almost all panel antennas >> >>> are >> >>> either an array of patches or an array of butterfly dipole elements >> >>> over >> >>> a >> >>> ground plane. Most designers are trying to put as much gain in the >> >>> area >> >>> as >> >>> they can. The means the feed network and driven elements are crammed >> >>> in >> >>> so >> >>> close together that you suffer some degradation. To make a dual pol >> >>> patch >> >>> you have to use a square patch. That already is less than optimum. >> >>> Then >> >>> you have to produce a second feed mechanism for feeding the second >> >>> feed >> >>> point on all the patches. That means other layers and intermediate >> >>> ground >> >>> planes etc. Not easy at all. >> >>> >> >>> ----- Original Message ----- >> >>> From: "Tom DeReggi" <[EMAIL PROTECTED]> >> >>> To: "WISPA General List" <wireless@wispa.org> >> >>> Sent: Saturday, September 27, 2008 9:49 AM >> >>> Subject: Re: [WISPA] Dual Pol Antennas >> >>> >> >>> >> >>>> Drew, >> >>>> >> >>>> Who sells/stocks it? >> >>>> >> >>>> I also saw someone was selling what looked like the MTI Dual pol >> >>>> 25dbi >> >>>> for >> >>>> about $200, I think it was wlanparts.com. Thats starting to get >> >>>> affordable. >> >>>> >> >>>> I'm fine with Dual Pol dishes for $225, its a lot of metal. Plus >> >>>> there >> >>>> usually needed for more critical links. Also used more often on >> >>>> tower >> >>>> sites >> >>>> where I get charge per antenna. >> >>>> However, when a standard panel is only $50, it can't be that more >> >>>> expensive >> >>>> to add a couple more elements for the second pol. >> >>>> Clearly a lot of markup fat in the price model. I think there is a >> >>>> huge >> >>>> market for the dual pol Panels at sub $150, but at $250, a WISP >> >>>> really >> >>>> has >> >>>> to think about whether its worth their while, when they can just >> >>>> install >> >>>> two >> >>>> single pol antennas side by side. Expecially if isntalled on >> >>>> customer >> >>>> roofs >> >>>> where there aren;t colo fees. I see no reasons that the smaller gain >> >>>> panels >> >>>> couldn't be made and sold for sub $125. Don't get me wrong, its >> >>>> still >> >>>> good >> >>>> news to learn of new DP panels available as option. Trango also has >> >>>> their >> >>>> external model, but its about $300. >> >>>> >> >>>> Tom DeReggi >> >>>> RapidDSL & Wireless, Inc >> >>>> IntAirNet- Fixed Wireless Broadband >> >>>> >> >>>> >> >>>> ----- Original Message ----- >> >>>> From: "Drew Lentz" <[EMAIL PROTECTED]> >> >>>> To: "WISPA General List" <wireless@wispa.org> >> >>>> Sent: Friday, September 26, 2008 6:58 PM >> >>>> Subject: Re: [WISPA] Dual Pol Antennas >> >>>> >> >>>> >> >>>>>A product I really like for dual-pole is the Mars WA56-DP25N. It's >> >>>>>a >> >>>>> pretty inexpensive panel from 4.9 - 5.875 @ 25dBi .. There are 2 >> >>>>> versions, 1 is the antenna alone, the other is with an enclosure. >> >>>>> Its >> >>>>> ~ >> >>>>> $260. I know its not $150, but its not too bad! >> >>>>> >> >>>>> -d >> >>>>> >> >>>>> >> >>>>> On Sep 25, 2008, at 10:04 PM, Mike Brownson wrote: >> >>>>> >> >>>>>> A broadband dual pol dish will work from 5.2 to 5.9Ghz. You'll >> >>>>>> get >> >>>>>> the same gain on both polarities. But there's noting I know of >> >>>>>> less >> >>>>>> than $150. Usually dual pol dishes are used where you may need a >> >>>>>> higher quality antenna, so all the manufacturers I know of >> >>>>>> (RadioWaves, Maxrad, Pac Wireless) for dual pol are the higher >> >>>>>> grade >> >>>>>> varieties. >> >>>>>> >> >>>>>> Mike >> >>>>>> >> >>>>>> ________________________________ >> >>>>>> >> >>>>>> From: [EMAIL PROTECTED] on behalf of Blair Davis >> >>>>>> Sent: Thu 9/25/2008 8:41 PM >> >>>>>> To: WISPA General List >> >>>>>> Subject: [WISPA] Dual Pol Antennas >> >>>>>> >> >>>>>> >> >>>>>> All this talk about Dual Pol feedhorns has got me curious.... >> >>>>>> >> >>>>>> I'm looking for a dual pol antenna... >> >>>>>> >> >>>>>> What I need is H-Pol on 5.3GHz band with 18db or more of gain and >> >>>>>> V- >> >>>>>> Pol on 5.8GHz with 15db or more of gain. A narrow beam width is a >> >>>>>> plus. >> >>>>>> >> >>>>>> A grid or a dish will be fine. I'd like to keep the price down as >> >>>>>> if it is over $150 or so, it really won't be cost effective. I >> >>>>>> can >> >>>>>> mount 2 antennas at this location if I have to. >> >>>>>> >> >>>>>> This is for a short link, about 2000ft, but it will be at the end >> >>>>>> of >> >>>>>> about 50ft of LMR-400. >> >>>>>> >> >>>>>> Thanks for any ideas.... >> >>>>>> >> >>>>>> Blair >> >>>>>> >> >>>>>> >> >>>>>> This email and any files transmitted with it are confidential and >> >>>>>> intended solely for the use of the individual or entity to whom >> >>>>>> they >> >>>>>> are addressed. If you have received this email in error please >> >>>>>> notify the system manager. This message contains confidential >> >>>>>> information and is intended only for the individual named. If you >> >>>>>> are not the named addressee you should not disseminate, distribute >> >>>>>> or copy this e-mail. >> >>>>>> >> >>>>>> <winmail.dat> >> >>>>>> >> >>>>>> -------------------------------------------------------------------------------- >> >>>>>> 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/ >> >>>>> >> >>>>> >> >>>>> >> >>>>> -------------------------------------------------------------------------------- >> >>>>> 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/ >> >>>> >> >>>> >> >>>> >> >>>> -------------------------------------------------------------------------------- >> >>>> 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/ >> >>>> >> >>> >> >>> >> >>> >> >>> -------------------------------------------------------------------------------- >> >>> 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/ >> >> >> >> >> >> >> >> -------------------------------------------------------------------------------- >> >> 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/ >> >> >> > >> > >> > >> > -------------------------------------------------------------------------------- >> > 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/ >> >> >> >> -------------------------------------------------------------------------------- >> 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/ > > -- > /* > Jason Philbrook | Midcoast Internet Solutions - Wireless and DSL > KB1IOJ | Broadband Internet Access, Dialup, and Hosting > http://f64.nu/ | for Midcoast Maine http://www.midcoast.com/ > */ > > > -------------------------------------------------------------------------------- > 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/ -------------------------------------------------------------------------------- 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/
