There was a problem - the repeater, after connecting to the 5GHz network, after a while showed "without an Internet connection." The hardware version of my repeater is "1". As a result, the firmware ate helped (I put off the firmware of 2022, I had it from 17 years old). And one more thing - if you go to the router through the ip address and configure it through the browser, you will get more features (for example, a schedule for automatically turning on and off). At first, I used the Tether mobile app, but it is very simplified and many of the setup functions are not displayed there. I have it installed behind the refrigerator.
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