It has known problems. From that github page:
McMCCRU/rtl8188gu: Driver for Linux RTL8188GU (RTL8710B) (VID:PID = 0x0BDA:0xB711)
Known problems
- Very slow upload speed.
- Problem reconnect from KNetworkManager in Kubuntu 20.04.
- In Ubuntu 20.04 detected as GSM modem, need remove option driver as “sudo rmmod option”.
Also, according to @megavolt: