D-Link Wireless Dual Band AC1200 Mbps USB Wi-Fi Network Adapter (DWA-182) (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Next Generation Wi-Fi AC Technology for Superior Wireless Performance Dual Band Technology - 2.4GHz (up to 300Mbps) or 5GHz (up to 867Mbps) Backward compatible with 802.11n Draft IEEE 802.11ac, 802.11n, 802.11g and 802.11a Compliant