So you need a dual band router which can work with LTE USB dongle( NDIS USBModem)?

Wi-Fi lights are flashing as well? You cannot detect your Wi-Fi name or Wi-Fi connected but no internet access? Login web interface of WDR3600. Go to Wireless 2.4GHz&Wireless 5GHz. Enable SSID...

Model number, firmware version and hardware version of your device? If you change the port 80 to a different one, how did you test if it works or not?

Do you need any kind of authentication when connecting to the Wi-Fi hotspot? Follow the guide below to check your configuration. http://www.tp-link.com/en/faq-447.html

Report the problem here. http://ticket.tp-link.com/index.php?/Tickets/Submit

Do you have to configure static IP on your PC when it is directly connected to your 2wire modem? If not, select WAN connection type as Dynamic IP instead of Static IP. What's the IP address of your...