no that kind of cable heard, and i don't think this TL-WN722N can do that. but if you succeed, kindly share with us

it is a software to connect Wi-Fi but we don't need that. Windows has builtin software to connect.

is the RE light on? if no, we have to reconfigure it, make sure that we choose the right network and input the correct password. it no luck, contact tp-link support

wireless button is on? have you tried a reboot? reset the router.

usually 5ghz has few interference than 2.4ghz, do you have devices working on channel high than 48? most devices can work on band 1. can you show us what channel options you have in C9? by the way,...

to zeuscho,i am not following you, any problem with the red color? but you can save it,right? if you can't save it, what error message? try another web browser