Amped Extender setup RTA2600-R2 Wireless Athena-R2 High Power AC2600 Wi-Fi Router not working? Check the Ethernet cable connected between your router and your PC. Now turn on the power supply on your Amped wireless router. Close all current programs and access the Url again. If still you are unable to access the router then try login in the router setup page through the default IP address http://192.168.3.1.