Weird, it can detect the 5ghz but cannot connect to it. Any error message pops up at that time? Besides, can change some wireless settings on the main router to do a comparison analysis. Like...

Hi, before check its warranty, here are some tests you can run: a. ensure that you can get internet from the main router with the same cable/port. b. Try to hard reset the camera by holding the reset...

hey, what is the current firmware? Besides, where did you get it? Is it an US version product? More information will help solving your issue.

Hey, do not forget internet access time, the parental control will take effect during the certain time. Besides. to verify whether the parental control is functional, you can add a device and then...

Hi the port number is necessary. With your device connected to the VPN server, launch a browser and enter LAN IP + port number or Internet IP + port number. Port number is 80 by default, while it...

So there are 2 devices, Archer A7 and Archer VR900? How to connect them together? Any network diagram? what kind of VPN have you setup? More information will help solving your problem.