This wireless USB adapter gives you the flexibility to install the PC or notebook in the most convenient location. Output power with 11n technology provides high speed performance and wider coverage. Compatible with wireless IEEE 802.11n standard with data rates up to 150Mbps. Supports USB interface. Frequency band: 2.4-2.4835 GHz. Number fo channel: 13. Support network protocol: CSMA/CA with ACK. Network standards: IEEE 802.11g, IEEE 802.11b, IEEE 802.11n. Effective working distance: 200 meters farthest indoor and 830 meters farthest outdoor (varies due to the environment). 2dBi detachable antenna - remarkably strengthen signal power of the USB adapter High security supports 64/128/152-bit WEP data encryption, support BT3 software.