Looking advice about mounting 3500i access points (AP) to the ceiling

[aukhadiev]

Hello, looking your help and advice about mounting 3500i access points (AP) to the ceiling ...
The ceiling is an Armstrong suspended ceiling with 24" mineral fiber drop ceiling...

What are recommendations and best practice - mount  AP under or above the ceiling?
Initially, I considered the mounting options from Oberon Inc. (p/n :1064-00), but given the difficulty by purchasing this product in my country have to consider other options...

I must say that the decision to mount the access point to the ceiling like this:

does not really to my liking...

Now I looking  a version of the mount АP with flush-mount kit for tiled ceilings (AIR-AP-BRACKET-3=)...

What are your recommendations?

[Leo Laohoo]

What are recommendations and best practice - mount  AP under or above the ceiling?

Do NOT install the WAP inside the ceiling cavity (hidden from view) as it will cause signals to degrade.

There are some stuff inside the ceiling cavity that could cause signals to misbehave.