Network switches ... the USB port. Of course, he mentioned you could use a Raspberry Pi if you wanted a network interface–or maybe that’s a good excuse to use one of those Ethernet shields ...

If you have a lot of devices that you'd like to connect directly to your router, you may find that you run out of Ethernet ...

Hikvision DS-3E2510P 8 Port Gigabit Full ... E/M 16 Port Gigabit Unmanaged POE Switch Hikvision DS-3E1526P-E 24 Port Gigabit Web POE Switch New Smart Managed Switches from Hikvision for managing ...