![]() ![]() 5G channel 34 or 165, then this ASUS vivobook will not see the 5G networks.) This means I cannot set the router to auto select channel in 5GHz band, because if it works in unsupported channels e.g. So now I know that my wireless device is supporting channel 1 to 13 in 2GHz and only support channels 149, 153, 157 and 161 in 5GHz band. ![]() ![]() ![]() In Linux we can check the supported wifi frequency by wlan device with this command: sudo iwlist wlp3s0 freqĪnd we can get a list like (this is just an example, not the card currently I am investigating - this one is from ASUS Vivobook X442UR, I think this one is an Atheros): wlp3s0 17 channels in total available frequencies :Ĭurrent Frequency:5.805 GHz (Channel 161) I have a Realtek device that is currently doesn't have Linux driver, and it is a a/c type WiFi adapter but cannot detect any 5GHz networks available.
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