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570 posts

Ultimate Geek
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Topic # 93789 29-Nov-2011 15:50
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Is it possible to somehow increase the range of Wi-Fi singal to about 2-3 kms or even more? I have heard about some wi-fi range extending antennas so just want to know if anyone has heard or tried one before?
Thanks

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1874 posts

Uber Geek
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  Reply # 551502 29-Nov-2011 15:54
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Yes this is easily done with line of sight. You would create a wireless bridge between the two access points. Ubiquity make a range of affordable access points capable of going over 10km (with line of sight)

If you already have access points you could get some high gain external aerials and accomplish the same task.



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Ultimate Geek
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  Reply # 551503 29-Nov-2011 15:56
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What if there is no line of sight? Any solution for that?

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  Reply # 551504 29-Nov-2011 16:00
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Whats the distance?
Whats in the way?
What speed do you need?
What latency do you need?
Whats the ground like between the 2 points?


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  Reply # 551505 29-Nov-2011 16:00
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stitch: What if there is no line of sight? Any solution for that?


Not really. They need to be aimed at each other for it to work. You can brute force it through trees etc by using high gain aerials but this can be hit and miss as well. In an urban situation you wont get far.

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  Reply # 551506 29-Nov-2011 16:01
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stitch: What if there is no line of sight? Any solution for that?


Probably only a repeater on top of highest object blocking line of site :)






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Ultimate Geek
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  Reply # 551512 29-Nov-2011 16:12
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straight line distance between the points is approximately 2kms in an urban area with trees, houses and small buildings all across, speed is not a big concern, just reasonable speed would do

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  Reply # 551532 29-Nov-2011 16:54
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Doing a quick read a mast can be 15M high (if coming from ground) (or 3M above the root of attached to roof) (I may be completely wrong) .. would that be high enough to get line of sight? Then attach a couple of NanoStations/NanoBridges on the top of them..

Or you could get a VDSL connection at both places and create a 10M/10M tunnel via them

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  Reply # 551534 29-Nov-2011 16:55
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Even line of sight in an urban area its pretty hit and miss, with virtually every house now having wifi in it can 802.11n crapping over 2/3rds of the band, even if you get signal the noise is really high. I get between 80 and 140 accesspoints from the antenna on the roof that I used to use for a link to someone else.




Richard rich.ms

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