The Ubiquity Networks Unifi Cloud Key Gen2 19" 1U Rack Mount Accessory CKG2-RM is a silver adapter unit that allows for maximum LAN data rates of 1000 Mbps and maximum wireless data rates of 400 Mbps. It includes a single Ethernet (RJ-45) port and is backed by a 1-year manufacturer warranty. Designed for Ubiquiti Networks products, this rack-mount accessory is ideal for home networking and connectivity needs, offering a reliable and secure solution for expanding network capabilities.