Zonet ZEW2546 802.11N Wireless USB Adapter Complies with IEEE 802.11n, IEEE 802.11g, IEEE 802.11b standards Provides max. 300Mbps receiving rate and 150Mbps sending rate Supports 20MHz/40MHz frequency width Auto-detects and changes network transmission rate Provides two work modes: Infrastructure and Ad-Hoc Supports 64/128-bit WEP, WPA/WPA2 encryption methods and 802.1x authentication standards WPS (Wi-Fi Protected Setup) simplify the security setup and management of Wi-Fi networks. Supports WMM for Multimedia Applications with Quality of Service in Wi- Networks Please Note: Does not support 5GHz a/n connections.