How far is it between the BT hub and the repeater? usually the repeater needs to pick up at least two or three signals from your hub, or the connection would be unstable or slow. In addition, when...

Maybe the extender is not linked to your host 2.4G WiFi, but it must link to 5G successfully, that's why you can get internet access when connected the extended network on both 2.4G and 5G

Actually it is normal that wireless light keeps blinking, since other leds are also light up, the extender must be working fine now

Chagalj wrote Can I have an update on this matter? Support contacted me 5 days ago, I replied immediately..and no word from anyone since then. Your MR6400 is working with a SIM card directly or with...

So you have another network device behind the MR6400? and there is a VPN server on that device? if so, you need to open the VPN related ports on the MR6400, here is the faq:...

I don't think you can use the DSL port and WAN port at the same time...based on my experience, it can be either used as a DSL modem router or a wireless router only, but not at the same time...