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RouterBoard 433AH »
« Could This Work?  
AuthorAll Replies

EMC_guy

join:2007-10-13
Sharbot Lake, ON
·Rogers Hi-Speed

reply to Equis
Re: How to measure EIRP

said by Equis See Profile :

I would like to know exactly how much power output some of my links are.
You could do this at any open-air test site (OATS) for a nominal fee.

Otherwise for in-situ EIRP measurements, you use a calibrated log-periodic antenna hooked up to a power meter and located in the far field along the main lobe. For 2.4Ghz, measure minimum 10 meters away. Even then you may need a claibrated attenuator to lower power level to the acceptable range of the meter.
to forum · permalink · · 2008-05-05 14:07:01 · Reply to this

LLigetfa

join:2006-05-15
Fort Frances, ON

 For comparisons, you could do side-by-side tests with a known value and compare the RSSI at both ends. If you are looking for test results that come with a get-out-of-jail-free card, it would take expensive gear.
--
Strange as it seems, no amount of learning can cure stupidity, and formal education positively fortifies it. -- Stephen Vizinczey
to forum · permalink · · 2008-05-05 14:14:11 · Reply to this
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« Could This Work?  

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