@TijnK They should work together just fine. See the OneMesh compatible PLCs and the OneMesh FAQ - Q9/A9.

@Riche34 Check what's the type of the Internet connection of your BT home hub. If it's different that these that VR2100 supports then that's the reason: Another reason may be a specific VLAN that...

@jeffgaines Open this link in your browser and select your country of residence - it will show you the compatible 3G/4G USB modems for VR2100 in your region.

@RealCrashHouse Check this post for more details on that issue. Also check this post to see how you can mitigate that.

@Dave-D These hidden networks could be emitted from another devices on your network. You can determine what hardware vendor they belong to by their MAC addresses.

@Milesh This should be the tech support duty I think - at least I don't know any other way.