Interface - USB 2.0 Wireless Standard - IEEE 802.11n Frequency Band - 2.4 GHz Data Transfer Rate - Up to 300 Mbps (using 802.11n) Security - Supports WEP (64/128-bit), WPA, and WPA2 (including AES and TKIP) Antenna - Can have internal chip antennas or external antennas with 2dBi gain