http://www.tp-link.com/resources/software/TD-W9980_V1_141215.zip Upgrade the latest firmware. Wireless Settings: Mode: 11n only channel width: 20MHz Security: WPA2-PSK

Just ignore those error logs if there is no other issues. My Netgear router also prints the same logs, totally not useful at all. Must be a useless API provided by the Trendchip.

Your current configuration is correct. That is how it should work The router cannot complete the web authentication by itself because it has no web browsers, as a result you have to enter the...

Method 1: Apple Airport -------------------------- WR710N_AP_mode ))))))) http://www.tp-link.com/en/article/?faqid=641 Method 2: Apple Airport )))((( WR710N_repeater_mode )))))))...

Of course you can't.. What you want is accessing the WR740 from WAN. You need to log into it from the PC 192.168.1.3 or 192.168.1.2. And navigate to Security --> remote management to allow your PC...

No, they don't provide CLI instructions for ssh. Some model has telnet service open, but still users can do barely nothing with telnet.