Product details of R6220 - Dual Band Wireless Router - AC 1200Mbps - Black. 10-15 Users Supported. WiFi Technology: 802.11ac Dual Band Gigabit. Processor: 880MHz. WiFi Range: Large homes. Ideal for homes with 8 or more WiFi devices. IPv6 Support (Internet Protocol Version 6). Wi-Fi Protected Access: (WPA/WPA2—PSK). WiFi Performance: AC1200 WiFi (300 Mbps + 867 Mbps). Double firewall protection: (SPI and NAT firewall). Denial-of-service (DoS) attack prevention. Free custom URL using NETGEAR Dynamic DNS service. WiFi Band: Simultaneous dual band 2.4 GHz and 5 GHz. Number of USB Ports: One (1) USB 2.0 port. AC1200 WiFi—300+867 Mbps speeds. 880MHz processor delivers high-performance connectivity. Number of Ethernet Ports: Five (5) 10/100/1000 (1 WAN and 4 LAN).