Need advice on setting up 4 sector array antennas with access points attached, wifi coverage very weak

Hello Experts,

We recently purchased a 4 sector antenna array from l-com, and got installed but not working as expected, our Wifi coverage is dismal, and it has not worked as planned yet we have spent a lot of money for it.  What is the best practice for installing sectorial antennas (20dbi access points)?  Does the signal increase the lower it mounted?  OR the higher?

Rgds
Kasonde NeddyDesigner & DeveloperAsked:
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Craig BeckCommented:
You mean you have one AP connected to the array?  Which AP do you have?
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Kasonde NeddyDesigner & DeveloperAuthor Commented:
we have 4 APs connected to each array...bought from l-com.com, 2.4ghz access points.  Could it be possible that the tower on which it is mounted is the one causing problems, we mounted it on same tower as mobile operator radios/antennas.  Advise will be much appreciated.

Rgds
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Craig BeckCommented:
Which channels are you using on each AP?  There are only 3 channels at 2.4GHz which won't interfere with each-other; 1, 6 and 11.  If you have 4 APs you must be using at least one AP which is in the same frequency range as another AP.  In this case I'd suggest you set your APs on channels 1, 4, 7 and 11 to help minimize the effects of co-channel interference.

Mobile operators use typically the 900/1800/2100MHz frequency bands so there may be some spurious emissions outside the 2100MHz range but that probably won't affect you.
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Kasonde NeddyDesigner & DeveloperAuthor Commented:
Hi Craig,

Thanks for the information.  Unfortunately not at site, but will implement tomorrow and see how it goes.

Rgds
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