@MOdra Start with FW to exclude any FW issue with your bandwidth, There's no special tool for testing HW stability of your modem router but here are some practical guidelines: 1.Unstable wireless...

@MOdra Best way to know if that's because of the FW or the modem, is to downgrade (upgrade with an older version) the FW to the previous FW release and test.

@Lumi2100 If this is a similar issue ask for advise (post) in that same thread.

@Manx_Karl You can read in more details here about using ethernet switches to buld a Deco ethernet backhaul. If everything is correct with your switches and cables ethernet backhaul should take...

@pioche If your Router B is in AP mode you don't need port forwarding at all. But in this case devices connected to Router B would be able to access the devices connected to Router A - they would be...

@Cyprus_Phil Q. Can I use more than 1 range extender in the house? Can I connect a wifi extender to another wifi extender? A.Yes, we recommend having 1-2 range extenders in one network for better...