@Morholt Hi, thanks for posting question here. Can the Bluetooth device be detected by the Device Manager? You may refer to the screenshots to check whether the adapter was plugged into correct port...

@mrg9999 Hi, thanks for posting question here. For your requirement, it is more recommended to seek proper models on our business community.

@PrincePCKET Hi, thanks for posting question here. When did you purchase the switch? you may to swap the ports for your two routers or change different ports on the switch to confirm whether the...

@Lars89 Hi, thanks for posting question here. As we know, TP-Link range extenders can be compatible with most common wireless routers. If you have troubles setting up the range extender, please check...

@NzSouth Hi, thanks for posting question here. I am afraid 400m is a over-long distance for normal home network devices. It is more recommended to seek proper products on our business community.

@EyeloMilo Hi, thanks for posting question here. According to your description, you may refer to this guide to check your situation. You may also contact local support for direct help.