<div dir="ltr">+1 to this. The problem seems to be that nobody cares - too many cowboys buying this kit, whacking it on a roof and then dragging the slider until it "works".<div><br></div><div>I wish ACMA would do a crackdown, especially in the 5.4Ghz band - I know for a fact there are a number of people running 4W P2P in this band where it is supposed to be 200mW indoor only. This will only cause more problems when 11ac achieves greater penetration...</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 9, 2014 at 5:39 PM, Paul Wallace <span dir="ltr"><<a href="mailto:paul.wallace@mtgi.com.au" target="_blank">paul.wallace@mtgi.com.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-AU" link="blue" vlink="purple"><div><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Several reports emerged recently via this forum about a new fixed microwave platform.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">That platform is from a US vendor called Ubiquity.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The model referred to is the 24GHz 'AirFibre' able to operate in the ACMA's class license.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Caution: - if you're still operating V1.0 firmware on this platform you're probably in serious breach of the Australian class license.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">You'll see what I mean after updating to V2.0. <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">V2.0 limits the maximum transmit power to "+20dBm EIRP" when you set the 'region' to 'Australia'.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Under V1.0 firmware the default TX power, (despite choosing 'Australia Region') was +33dBm (same as in the USA & 13dBm higher than the lawful limit here).<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Having said that, you were able to move the scroller-bar (alongside 'Transmit Power') in order to comply, however, I'd bet not many people bothered.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">That will explain many of the reports received of links not fading out via rain attenuation on paths of greater than 2kms!<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">13dBm extra power is a very large increase!<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">When you understand that +20dBm max power (measured as EIRP) means that the transmitter is configured to transmit at "NEGATIVE  13dBm" .. you'll realise why rain fade is a serious challenge at 24GHz.<span class="HOEnZb"><font color="#888888"><u></u><u></u></font></span></span></p><span class="HOEnZb"><font color="#888888"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">-P<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p></font></span></div></div></div><br>_______________________________________________<br>
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