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Power Level Settings disparities on AP and on Controller

SteveH1
Level 1
Level 1

- Our  Country Code  on our Wireless Controller ( 5520)  and on our AP  is currently set to GB ( we are  based in the UK and our maximum power output allowed on indoor 5.0 GHz frequency  radios is 200Mw and on  2.4 GHz radios is 100Mw)

- We have an AP group set up with an RF profile  (  let's call it "RF Profile A "  ) assigned to the AP group and we have a C9115AXE-E  AP assigned to that group

-The data sheet of the access point states that the maximum power available is 23Dbm , however when I look at the ap config, I am seeing only   7 supported power levels  on the output and i can see on the output of the command that the number 1 power level, which is the maximum is set to 18Dbm, automatically ? 

Tx Power
Num Of Supported Power Levels ............. 7
Tx Power Level 1 .......................... 18 dBm
Tx Power Level 2 .......................... 15 dBm
Tx Power Level 3 .......................... 12 dBm
Tx Power Level 4 .......................... 9 dBm
Tx Power Level 5 .......................... 6 dBm
Tx Power Level 6 .......................... 3 dBm
Tx Power Level 7 .......................... 2 dBm
Tx Power Configuration .................... AUTOMATIC
Current Tx Power Level .................... 1
Tx Power Assigned By ...................... DTPC

I have checked the power levels set on the RF profile  " RF Profile A " for the group and under RRM I can see max level power level assignment is 30 and minimum power level assignment is 15 under TPC  .    

 

a) Presumably the max    power level is set incorrectly for GB on TPC ?  ( should country code setting not automatically change this to max of 23 when you initially set up the controller  ?  ) 

b) how come the max power level on the AP is 23 and not 18 if my country code is GB ?  

 

 

 

 

1 Reply 1

SteveH1
Level 1
Level 1

sorry I need to correct my post , my second question - b) how come the max  power level 1 on the AP is set to 18 and not 23 if the max power level on the TPC setting on the controller is  30 DBm ( which would be illegal in this country   )

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