D-Link Systems, Inc. Refurbished Wireless N 300 DualBand Router (DIR-815/RE) IEEE 802.11n, 802.11g, and 802.11a Compliant Dual Band Technology for Superior Wireless Performance Wi-Fi Protected Setup (WPS) for simple Push-Button Wireless Network Configuration 4-Port 10/100 Switch Supports Secure Wireless Encryption Using WPA or WPA2 24/7 Basic Installation Support