On Sat, May 13, 2023 at 11:55:57AM -0400, gene heskett wrote: [...]
> Unfortunately Tomas, neither util knows anything about radio's. As far as I know they never did. > Someone > just reminded me that iw is now the tool. I've found that /sbin/iw can > output regulatory info, but the shorthand used is a bit opaque. From my one > lonesome wifi equipt rpi4b: Yes, I think that one is your buddy. > pi@rpi4:~ $ /sbin/iw reg get > global > country US: DFS-FCC > (2402 - 2472 @ 40), (N/A, 30), (N/A) > (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW > (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW > (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS > (5735 - 5835 @ 80), (N/A, 30), (N/A) > (57240 - 63720 @ 2160), (N/A, 40), (N/A) > > I have all of mine turned off and everything is wired to prevent the AH > across the street from using my bandwidth to watch his porn. He had a > utility on his cell phone capable of hijacking my radios. I hear he is back > in the hotel for the 2nd time. Life in the neighborhood is much improved w/o > him. > > iw's output seems complete even if there is no radio, which the bpi's don't > have, but from bpi54: > gene@bpi54:~$ /sbin/iw reg get > global > country 00: DFS-UNSET > (2402 - 2472 @ 40), (6, 20), (N/A) > (2457 - 2482 @ 20), (6, 20), (N/A), AUTO-BW, PASSIVE-SCAN > (2474 - 2494 @ 20), (6, 20), (N/A), NO-OFDM, PASSIVE-SCAN > (5170 - 5250 @ 80), (6, 20), (N/A), AUTO-BW, PASSIVE-SCAN > (5250 - 5330 @ 80), (6, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN > (5490 - 5730 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN > (5735 - 5835 @ 80), (6, 20), (N/A), PASSIVE-SCAN > (57240 - 63720 @ 2160), (N/A, 0), (N/A) Hm. As far as I understand the docs, this is telling you about the regulatory database, i.e. how many dB your WiFi is supposed to yell out at which freq depending on where your computer thinks it is. This exists independently of whether your hw is on or off, or on whether you've got any radio hardware at all. Cheers -- t
signature.asc
Description: PGP signature
