Linksys AC1200 MAX Wi-Fi Gigabit Range Extender / Repeater (RE6500)Linksys AC1200 MAX Wi Fi Gigabit Range Extender Repeater (RE6500) Features: 2. 4GHz & 5GHz dual bands Eliminates dead spots & extends the existing Wireless AC coverage Works with WiFi router or Gateway System Requirements : Microsoft Windows XP SP3, Windows Vista SP1 or later, Windows 7, or Windows 8 operating system or the Mac OS X Leopard 10. 5. 8 or later, Snow Leopard 10. 6. 1 or later, Lion 10. 7 or later, or Mountain Lion 10. 8 or later