August 4, 20242 yr I bought a wifi dongle (for 3 pounds on ebay!) having a realtek chip 8821cu. There were some disconnects from time to time, and I was unable to find out why from the logs. Few days ago I installed and recompiled the realtek drivers from https://github.com/lwfinger/rtw88, got some new modules, replaced the modules in the directory /lib/modules/6.1.43-vendor-rk35xx/kernel/drivers/net/wireless/realtek/rtw88 Since then, I have no more disconnect. This may helps someone maybe.
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