This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty;Ultimate Speed - Up to 4.3x Faster than Wireless N. This is a great wireless router.;Dual Band 2.4 + 5GHz - Double the bandwidth to maximize wireless throughput. To make this one of the fastest wireless routers.;4 Gigabit Ethernet Ports - Gigabit (10/100/1000) are 10x faster than Ethernet (10/100). Best and fastest wired connections for this wireless router.;Advanced Security - Wireless WPA/WPA2 encryption and SPI firewall help keep your network safely connected to this wireless router.