@Ammo69 Here is relatively easy process to migrate all your smart devices to IoT Network. Suppose, your Main Network has SSID MyHome. These will be steps: 1. Rename Main Network SSID to (for example)...

@Ammo69 For the lawn mowing robot I would suggest two things: 1. In Deco app enable IoT network with its default only 2.4GHz enabled band. Connect robot to IoT network. It may be possible your robot...

@EliotPop If you have TV cable (coaxial cable) that goes from the room with router to the room with second Deco, there is another option I can share with you. Let me know.

@CarloMG 1. Configure Deco mesh to run in Access Point mode. 2. After that, if speeds are still low, check if you see in Deco app error message described in this document:...

@CarloMG If you have ISP router, you can simplify your home network (and troubleshooting it) by configuring Deco mesh to run in Access Point mode: https://community.tp-link.com/en/home/kb/detail/334

@Mrboogies Yes, you can.