TP-Link TL-SG1016D Gigabit Switch

My 5G broadband router sits on the window ledge in my office (spare bedroom). It connects directly to a network switch, the TP-Link TL-SG1016D Gigabit Switch which has 16 ports.

1. Three ZTE MC801A 5G broadband router.
2. Lenovo K450 Desktop PC.
3. IKEA Dirigera Hub.
4. Synology NAS.
5. Philips Hue Hub.
6. Empty.
7. BT Whole Home Mesh.
8. Empty.
9. Sonos Hub.
10. Empty.
11. Empty.
12. Empty.
13. Empty.
14. Empty.
15. Empty.
16. Empty.