default Raspberry Pi 4 WiFi transmit power is set at 31 dBm - can we adjust this some how !?

dhubs

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g day dear Single-Board-Experts on Linux,

new to this place - but i am happy that we can discuss the SBC-things here too. Thats just awesome!!


one question: what about the Transmission power of Raspberry pi compared between the Pi 4 and the Pi 5

where to measure - and where to set up

eg - here:!?

Code:
#!/bin/sh
iw wlan0 set txpower limit 0
exit 0

Are these statements correct: Default Raspberry Pi 4 WiFi transmit power is set at 31 dBm. Is this a fixed figure or the maximum limit?
my friends told me that the transmit power of the Raspberry Pi WiFi modules sometimes vary depending on the model and the regulatory requirements in the respective country.

can we set it to lower values - or (even - if possible) to higher ?


any and all ideas and thoughts are higly wellcome

greetings;)
 


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