Proster USB WiFi Adapter Dual Band WiFi Dongle Wireless Network Adapter Speed up to 5GHz 433Mbps or 2.4GHz 150Mbps AC WiFi Adater with WPS for Mac Windows 10 8 7 Vista and XP Dual Band, Built-in ceramic AntennaEnables you to shift between 2.4GHz and 5GHz WiFi Bands to avoid interference, so provides more stable and better WiFi Connection. Super Fast433Mbps Speed at 5GHz or 150Mbps Speed at 2.4GHz, Ideal for lag-free online gaming, HD video and high-quality music Latest 802.11 AC TechnologySupport the Newest 802.11 AC Protocol and 802.11a/b/g/n 4 Patterns, so it works with the Latest AC WiFi Router. WPS Function to EncryptionProtects your Privacy and Prevents others from connecting to your network just by pressing the WPS Button of this item and your router. Widely Compatible Compatible with Mac, Window 10, Win8 32/64, Win7 32/64, Vista32/64, XP32/64.