@Tonmeister What you see is expected result. Each WiFi node is intelligent WiFi range extender. WiFi range extenders cut your internet speed in half due to "half-duplex" operation - they can't...

@MORIN76 I am assuming you connect Satellite Decos to Main Deco through managed switch. If this is the case, please check the following TP-Link FAQ: https://www.tp-link.com/en/support/faq/2317/

@matthew1212 Yes, there is. Configure Deco mesh to run in Access Point mode and they should start using wired LAN connection to the modem. Here is how, from TP-Link FAQ:...

@tpleo This is how you can do that: 1. Remove Satellite Deco from your existent Deco network: in Deco app open info page for Satellite Deco, click on three vertical dots in top right corner and...

@Unlucky_Alf Deco X50 has gigabit Ethernet ports. If you need short Ethernet cable, it should be Cat 5E or Cat 6. Note letter 'E' in '5E,' it is important: Cat 5 cable (without 'E') may not get you...

@MartinL61 You can't, but there are workarounds. You can disable 2.4GHz for Main Network and enable Guest Network or IoT Network with 2.4GHz only and different SSID.