How to check the tx power ?

[tarassippo]

On my old R7000 (Broadcom) I was able to check the tx power level by typing through telnet/SSH the following:

wl -i eth1 txpwr1
wl -i eth2 txpwr1

Is there the equivalent command for the R7800 ?

Tia.

 

[kamoj]

iwlist ath0 txpower
iwlist ath1 txpower

 

[tarassippo]

Thanks.

 

[tarassippo]

Forgot to ask which the bands are, i.e. ath0=5GHz and ath1=2.4GHz or viceversa ?

 

[kamoj]

ath0=5GHz and ath1=2.4GHz

Forgot to ask which the bands are, i.e. ath0=5GHz and ath1=2.4GHz or viceversa ?

 

[tarassippo]

Thanks kamoj.

Can somebody with an R7800 post the output of iwlist as per kamoj previous post:
Firmware Voxel 1.0.2.78SF
Region = Europe
Channel 11 on 2.4GHz
Channel 112 on 5GHz

Tia.

 

[R. Gerrits]

also an R7800 on the same firmware as you; strange why my txpower values are completely different than yours...

root@R7800:~$ iwlist ath0 txpower
ath0      8 available transmit-powers :
     0 dBm     (1 mW)
     3 dBm     (1 mW)
     6 dBm     (3 mW)
     9 dBm     (7 mW)
     12 dBm     (15 mW)
     15 dBm     (31 mW)
     18 dBm     (63 mW)
     21 dBm     (125 mW)
          Current Tx-Power:21 dBm     (125 mW)

root@R7800:~$ iwlist ath1 txpower
ath1      8 available transmit-powers :
     0 dBm     (1 mW)
     7 dBm     (5 mW)
     9 dBm     (7 mW)
     11 dBm     (12 mW)
     13 dBm     (19 mW)
     15 dBm     (31 mW)
     17 dBm     (50 mW)
     19 dBm     (79 mW)
          Current Tx-Power:19 dBm     (79 mW)

 

[tarassippo]

also an R7800 on the same firmware as you; strange why my txpower values are completely different than yours...

root@R7800:~$ iwlist ath0 txpower
ath0      8 available transmit-powers :
     0 dBm     (1 mW)
     3 dBm     (1 mW)
     6 dBm     (3 mW)
     9 dBm     (7 mW)
     12 dBm     (15 mW)
     15 dBm     (31 mW)
     18 dBm     (63 mW)
     21 dBm     (125 mW)
          Current Tx-Power:21 dBm     (125 mW)

root@R7800:~$ iwlist ath1 txpower
ath1      8 available transmit-powers :
     0 dBm     (1 mW)
     7 dBm     (5 mW)
     9 dBm     (7 mW)
     11 dBm     (12 mW)
     13 dBm     (19 mW)
     15 dBm     (31 mW)
     17 dBm     (50 mW)
     19 dBm     (79 mW)
          Current Tx-Power:19 dBm     (79 mW)

not sure, maybe because you are on a different region and/or different channels ?

 

[R. Gerrits]

Channels 36+40+44+48(p) and 7(s)+11(p).
And indeed, as for most countries, the limit for those is 200 mW and 100 mW.

but if you are really in the UK, then I'd say your router is in violation of the limit for the 2.4 GHz (also 100 mW for UK).

 

[tarassippo]

After 5 years, this router doesn't work properly anymore, so I am about to order a new one...

As for the 5GHz, do you mind to try any of the DFS channels between 100 and 120 ?

Which region did you set yours on ?

Thanks for the test.

 

[R. Gerrits]

Wifi region=europe

with 5 Ghz on channel 112, the power is this:

root@R7800:~$ iwlist ath0 txpower
ath0      8 available transmit-powers :
     0 dBm     (1 mW)
     4 dBm     (2 mW)
     8 dBm     (6 mW)
     12 dBm     (15 mW)
     16 dBm     (39 mW)
     20 dBm     (100 mW)
     24 dBm     (251 mW)
     28 dBm     (630 mW)
          Current Tx-Power:28 dBm     (630 mW)

 

[tarassippo]

Wifi region=europe

with 5 Ghz on channel 112, the power is this:

root@R7800:~$ iwlist ath0 txpower
ath0      8 available transmit-powers :
     0 dBm     (1 mW)
     4 dBm     (2 mW)
     8 dBm     (6 mW)
     12 dBm     (15 mW)
     16 dBm     (39 mW)
     20 dBm     (100 mW)
     24 dBm     (251 mW)
     28 dBm     (630 mW)
          Current Tx-Power:28 dBm     (630 mW)

Thanks, I knew something was not right with my ath1/2.4GHZ band...

 

[tarassippo]

As for the UK, the current regulation is: