Wireless Network Standards: IEEE 802.11n Frequency Range: 2.4-2.4835GHz Channel: 13 Network Protocol Supported: CSMA/CA With ACK Transmission Mode: DSSS Device Type: Wireless Adapter Operation Systems: WIN2K, XP, VISTA, WIN7, LINUX. Interface: USB 2.0 Product Size: 18*9mm Amazing Data Transfer Speeds: N 300Mbps, AC 867Mbps Supports MHz: (20MHz / 40MHz)