D-Link AC750 Wi-Fi Range Extender Repeater Wireless Dual Band with WPS DAP-1520/RE (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 Extend the wi-fi coverage of your home's existing wireless network High-speed wireless AC connectivity for your laptops, smartphones and tablets Easily add dual band wi-fi coverage to your existing single band router Compatible with any wireless router brand