The musings of an IT Consultant

Mar 31 2012   10:33PM GMT

Do you have enough power for your wireless?

Raj Perumal Raj Perumal Profile: Raj Perumal

Hi folks! So you have deployed that new 802.11n wireless solution but things just aren’t quite working the way you want to. What’s going on?

Well all solutions aren’t created equal, there are many APs out there that might not give you full 3×3 MIMO functionality . Even if you do have an AP that supports 3×3 MIMO, you might not have enough power to drive the AP.

How do you do this? Well with POE+ switching you can deliver enough power to an AP so it runs in 3×3 MIMO mode. You might also have to get a power adapter for the AP so it can run in 3×3. Another way you can accomplish this is by buying a POE+ injector. Whichever way you do it, make sure you plan properly.

Having said that, there are a lot of installations where 3×3 MIMO is not even required and 2×2 MIMO is just fine. Do a proper analysis of your environment and ensure you deploy your wireless solution based on your needs, because if one thing is for certain in the wireless world, one size definitely does not fit all!

-RP

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