Range of T300E access point

[maryam_essamlal]

Hello,

Can you please tell me about the range of the T300e in a wet area where we don't have barrieres?

Thanks

[maryam_essamlal]

Thanks for all for your reply. There is no trees and generally there is no barrieres. To total superficie of the area concerned is about 300 x 600 and we planned to put about 7 Access point to cover the whole area. 

[dave_vaughan_71]

We are covering a 20 acre campground with 5 APs.  We are heavily treed.  The approximate footprint is 1200' by 1200'.  We are using/ meshing 3 different models of the T300.  Your area has no barriers - you might be able to get a way with a 1 or 2 sector APs - sure as heck will not need 7.  Doing a site survey with a Ruckus engineer will likely save you some money.

[michael_brado]

Hi Maryam, I've helped with marinas before.  Are all the APs in your picture wired?
Is there any way to run cable down the docks with the boat slips?  Where you have
the greatest concentration of APs today, I think you could pull some (5 and 6, 9 and
10) and still have adequate coverage on shore.  If you could put two APs across
at the end of the dock where 16 is, and part-way down the dock towards 15, would
be one recommendation.  And if you could put two APs mid-way down the longest
dock where boats are slipped (far left), and mid-way down the one third from the
right), you could probably provide better connection rates for your boat clients.

[michael_brado]

In your current configuration, boat clients will see many APs will close to the same
RF, or not good enough (those in the water at ends of the docks in the middle).

[eizens_putnins]

Hello, Maryam,
Thank for the plan, it makes you situation much more clear.
Actually, the most important question is where you can mount APs (and have power + LAN to them).
You obviously have many options. You probably want to mount all APs on land, which will be easier and more reliable.
It seems more appropriate to use APs with directional antennas (T301S (120x30 degrees) and T301N (30x30 degrees).
If you can use building roofs, than you can cover all boats (and most of marina) by 3x T301N + 1x T301S APs, located somewhere on building roofs  4, 3, 2, 1, and providing good speeds and minimal interference.
If you want even better coverage, you can just use 6x T301N (one per pear).
If you are limited in AP q-ty, you can actually install just 2x T301N on building 17, and 1x T301S on building 13, with proper APs orientations you'll get very reasonable reception in most marina.
In any case both vertical and horizontal angles must be carefully calculated in accordance with AP mounting height and necessary coverage sector borders.  
You can use downtilt to limit reach of APs in the last case.
There is a lot downtilt calulaltors available in Internet, which will give you start and end of -3db level reception zone, if you put in antenna diagram width (30 degrees), AP location height and downtilt (say, 10 degrees). So you can easy calculate what downtilt you need with which mounting height.
If you are limited to APs with omnidirectional antennas (T300, for example), than you need to mount APs somewhere in the middle of area. This will work, but is less attractive option (you'll probably need to use mesh connections instead of copper cables, because of distances, for example). It will work too, of cause. But you'll need some 7-8 APs for good coverage, and then you'll have more interference.