topic Re: Changing select AP TX Power Level in Wireless

Changing select AP TX Power Level

declan liddy — Mon, 05 Jul 2021 18:50:31 GMT

Hi I have some Access Points that have left holes in the coverage, this is mainly on the 2.4 ghz if i change manually change the power levels on these will it affect the power levels of other Access Points that have their power set Globally and cause other problems

Re: Changing select AP TX Power Level

patoberli — Tue, 10 Mar 2020 16:40:14 GMT

Short answer, if TPC is enabled, then Yes it will affect the other APs and cause problems.
Have you done a wireless survey before installing the APs?

If TPC is enabled, what have you set as Power Threshold and Minimum / Maximum Power Level Assignment?
Do not change those settings before reading about what they do.

Re: Changing select AP TX Power Level

declan liddy — Tue, 10 Mar 2020 16:51:52 GMT

Hi I am not where I can look at the TPC setting, it would be what is set out of the box.

There was a certification performed, the 5ghz was fine but some areas the 2.4 was out of -67 scope.

So the controller does not differentiate if power is manually set or global it will adjust the globally set access points as needed

Re: Changing select AP TX Power Level

Ambuj M — Tue, 10 Mar 2020 17:57:53 GMT

how did you determine that there is a coverage hole at 2.4 GHz ?

Re: Changing select AP TX Power Level

patoberli — Wed, 11 Mar 2020 07:39:49 GMT

Do you use voice over Wi-Fi services? Otherwise -67 is not really required for a stable signal. But I suggest to have at least -72 dBi at the outer regions of a cell where a person should have a good signal.

You find the TPC settings on the WLC under Wireless - 802.11b/g/n (or a/n/ac) - RRM - TPC.
What are your current settings there?