The OC220 is a compact, hardware-based network controller from TP-Link's Omada line that manages up to 100 access points, 10 gateways, and 20 switches. It offers both centralized local and free cloud access management, is powered via PoE or micro-USB, and operates silently thanks to its fanless design. Key features include a durable metal casing, a USB port for data backup, and the ability to be managed via the Omada app.