https://www.es-forum.com/Shielding-for-23-Ghz-Wimax-Need-help-please-tp2316450p2391592.html
Thanks, John for posting these references... the backhaul concept fits, as these antennas are mounted on a very high water tower....
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> --- At 06:47 PM 24, 24 01 2011, emraware wrote:
> >
> >According to Wikipedia, looks like WiMAX is typically lower in frequency (e.g., 2.3 GHz), but the original standard specified up to 66 GHz, so theoretically 23 GHz Wimax is a possibility:
> >
> > From
http://en.wikipedia.org/wiki/WiMAX:
> >"There is no uniform global licensed spectrum for WiMAX, however the WiMAX Forum has published three licensed spectrum profiles: 2.3 GHz, 2.5 GHz and 3.5 GHz, in an effort to drive standardisation and decrease cost."
> >
> >"The original version of the standard on which WiMAX is based (IEEE 802.16) specified a physical layer operating in the 10 to 66 GHz range. 802.16a, updated in 2004 to 802.16-2004, added specifications for the 2 to 11 GHz range."
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>
> Hi,
>
> My first time posting here.
>
> Apparently 23 GHz is a standard for telecommunications network "backhaul",
> that is used to link base stations to the "core network".
>
> Backhaul:
http://en.wikipedia.org/wiki/Backhaul_%28telecommunications%29> .........
http://www.telecomengine.com/International/article.asp?HH_ID=AR_2351>
> Microwave Backhaul Comparison Chart... 2.5 - 80 GHz
>
http://www.wisptech.com/index.php/Microwave_Backhaul_Comparison_Chart>
> Point-to-Point Wireless and Backhaul - a PDF Brochure:
> <
http://www.motorola.com/web/Business/Products/Wireless%20Networks/Wireless%20Broadband%20Networks/Point-to-Point/_Documents/staticfiles/BRO_PTP_Portfolio%20Overview.pdf?localeId=33>
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> Google: - 23 Ghz microwave backhaul
>
http://www.google.com/search?q=23+Ghz+microwave+backhaul>
>
> John
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