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6 posts

Wannabe Geek

Topic # 223411 28-Sep-2017 13:27
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I have been running a Mimosa B5 Lite Link for about a year now been rock solid no problems with it at all. Link is 2.1Km and provides me with a VDSL connection to my rural house. I have a Draytek VDSL at the far end with the AP plugged into it. Near end is the Client which then connects into my home network. I am really wanting to know if the link is optimized, as mentioned I have not had any issues and can speed test between the two and get in excess of 750Mb when running at 80Mhz width, full Power, however given the VDSL is only 65Mb/20Mb I have it back at 20Mhz and 20dBm which provides a Link of around 100Mb which is fine. In regards to the aiming I have not spent to much time on this as it requires two people and a fair bit of fiddling given the distance. The far end AP sits on a roof on top of a 1.5M pole the near end is on a 9ft Steel Pole, it has good line of site between the two units. Attached some screen shots of the units and performance, really not sure how to interpret the data, I know the key is to have low Signal to Noise and do find if I wind it up this increases so feel the current configuration is about right given it is around 32dB.


So really just looking for comments and if there is anything that could be changed to improve it.










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  Reply # 1874528 29-Sep-2017 09:37
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I don't think you'll see any improvement if you've already maxed out your VDSL data rate. If it has been "rock solid" you'd be better off leaving it as is. If/When the remote end gets fibre access would be the time to revisit this.


Without knowing the actual characteristics of the B5, it wouldn't be wise for me to suggest anything. Just a note that SNR should be high (not low), but the 32dB you have should be plenty for a short hop. If you still feel like tweaking, tweak to get the best SNR. However, there likely won't be any measurable gain for you.







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