Your right if you drop it to a MCS12 is a 28.4 Margin Steve Barnes General Manager PCS-WIN RC-WiFi Wireless Internet Service
-----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Michael Baird Sent: Friday, July 30, 2010 11:59 AM To: WISPA General List Subject: Re: [WISPA] MIMO 5.8 GHz panel antennas? Yea, it's wrong. Try something besides MCS14 or MCS15 on their calculator, or a better link calculator. I've got NB22's with +25 deployed at 10 miles. Regards Michael Baird > http://www.ubnt.com/linkcalculator/ > > Says that this would be a marginal signal at 10 miles. (16090 meters) > for the PowerBridge M5 link margin 14.4 > > Steve Barnes > RC-WiFi Wireless Internet Service > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] > On Behalf Of Michael Baird > Sent: Friday, July 30, 2010 11:28 AM > To: WISPA General List > Subject: Re: [WISPA] MIMO 5.8 GHz panel antennas? > > They have a Powerbridge M5 that includes a 25 db MIMO panel. > > Regards > Michael Baird > >> I wonder if any of you have experience with 5.8 GHz MIMO antennas. >> I'm trying to design a point-to-point link, about 10 miles, that will >> carry a high percentage of a whole network's backhaul. So I'd like >> it to go at about 80 Mbps, MCS 12 in 20 MHz. >> The UBNT SR71-15 card can plug into a Routerboard and thus feed two >> antennas, or a dual-polarized antenna. I'd rather have one antenna >> than two. I can find dual-feed 2' dishes, but they're on the large >> side, with wind load and visibility issues. And I see a lot of >> single-feed panels, which can handle 11a-type traffic. >> >> I can run Ethernet into an external radio that comes in a panel, but >> that adds a hop and more complexity, and frankly most of the specs >> don't match the SR71-15's. There will be at least three antennas at >> each end, possibly four (backhaul plus local access). MiniPCI radios >> in, say, an RB600 seem easier to deal with. >> >> But who makes a standalone 5.8 GHz dual-polarized panel, something >> the >> 22-25 dB range (13-16")? UBNT makes MIMO sector antennas, and makes >> panels with built-in radios, but it doesn't seem to have a PTP panel >> antenna to mate with the SR71-15. ARC has one that works with its >> built-in enclosure system; do I just leave the enclosure empty and >> route the cables through it? (Seems hokey.) RADwin has one designed >> for its own system; I don't know how well it would work otherwise and >> it's way expensive. Suggestions? Thanks! >> >> -- >> Fred Goldstein k1io fgoldstein "at" ionary.com >> ionary Consulting http://www.ionary.com/ >> +1 617 795 2701 >> >> >> >> --------------------------------------------------------------------- >> - >> ---------- >> 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/
