@Harrypottar Hi, For Linux (kernel 2.6.18 ~ 4.4.3), https://static.tp-link.com/2018/201805/20180521/TP-Link_Driver_Linux_series7_beta.zip for higher version, you could search on the Realtek official...

@pdm93 Good day. Thank you very much for your time and patience. Was there any error message when you failed to connect the 5ghz? If possible, please try to update the following driver to have a...

@Angryredhead Hi, thank you very much for your time and patience. Please refer to the following suggestions: Go to the advanced settings on the adapter and change the wireless mode to 802.11b/g/n if...

@Nhelist Good day, Thanks a lot for your time and patience. Did the same issue happen to 2.4ghz？ Please try to install the following driver to have a look:...

@kalelo Good day, Thank you very much for your time and patience. May I know the distance of the computer to the router? If you tested on the smartphone at the same location, how many bars of the...

@OJ20220 Good day, Thanks a lot for your time and patience. Was the modem number UB400 or UB4A? Please refer to this link to get the related driver(the same for UB4A):...