@Marvin_S thanks for your follow up. 1. the model of main router is archer ax23. 2. All Leds works properly, including 5g one. 3. same result for zoom voice lagging issue if I move my laptop closer...

1. It happens in other computers as well 2. Once connected to main or other network, zoom does not have lagging problem 3. Tried both, same issue. 4. Not the only device connecting to it. Other...

I experienced the same problem using RE505x range extender. Enabled the Easy Mesh. Voice lagging when using zoom. Zoom works well when directly connect to the router. Some issue on tplink mesh...

I am using RE505X as a range extender and set it up for Easy Mesh. I can use it to extend the WiFi coverage for all internet connections smoothly, except Zoom. I experience voice lagging every time...