Есть такое, да. И ещё, если кто-то будет "внедрять Асус", то не поймут/много не заплатят. А если на коробочке написано Mikrotik или Cisco - значит всё серьёзно. 🙂
If you have configured 5GHz Wi-Fi and have just enabled it, but the 5 GHz Wi-Fi does not seem to start up, consider the following: If your device supports Wi-Fi channels > 100, your OpenWrt device first must scan for weather radar on these channels, before you can actually use such channels for Wi-Fi. This may take 1-10 minutes onetime after first reboot depending on your Wi-Fi situation and depending on the number of device-supported channels > 100. You may also experience 1 minute delay on each automatic channel change, as the same scan delay is required for regulation compliance.