Hello,
Does the carl9170 driver/firmware allow real-time updates to the tx
power parameter?
On my AR9170-based AP, I can't set the tx power using either 'iw' or 'iwconfig'.
'iw' fails with an error message:
root@OpenWrt:/etc/hostapd# iw wlan0 set txpower fixed 10
command failed: Operation not supported (-95)
'iwconfig' seems to update the information that's displayed but it
doesn't affect the actual tx power
root@OpenWrt:/# iwconfig wlan0
wlan0 IEEE 802.11bgn Mode:Master Frequency:2.412 GHz Tx-Power=7 dBm
RTS thr:off Fragment thr:off
Power Management:off
root@OpenWrt:/# iwconfig wlan0 txpower 11
root@OpenWrt:/# iwconfig wlan0
wlan0 IEEE 802.11bgn Mode:Master Frequency:2.412 GHz Tx-Power=11 dBm
RTS thr:off Fragment thr:off
Power Management:off
Is there another way to set the tx power? I want to reduce the range
of my AP and am trying to lower the tx power.
Thanks,
- Harshal
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