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Power Level to dBm Conversion

My question refers to the 3600i Access Points.  I query the controller using "show ap config 802.11a APNAME" to get the power level to dBm conversion and I obtain the following example result for channel 36:

Tx Power

Num Of Supported Power Levels.......................7

Tx Power Level 1..................................14 dBm  

Tx Power Level 2..................................11 dBm

Tx Power Level 3................................... 8 dBm

etc.

Are these Power Levels per radio chain?   If yes, then when transmitting data using 3x3 MIMO at Power Level 1, the total output power will be  3 x 14 dBm  =  18 dBm. On the other hand when transmitting only the beacon at Power Level 1, then the output power will be 14 dBm.

I would appreciate confirmation of the above.

Thanks.              

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