Airlink USB Adapter with Detachable 5dBi Antenna (AWLL5166HP) High power 500mW with detachable 5dBi high gain antenna strongly boosts the signal strength and coverage; Data rate of up to 150Mbps with Wireless N technology, 3 times faster than 802.11g; Great for environment needs extra long range extender WPA2/WPA-PSK enhanced wireless security provide full protection for your network; Built-in Easy Setup Button for easy connection to existing wireless network; Compact size and low profile design; Compatible with both Windows and MAC operating system RoHS compliant; Standards: IEEE 802.11 b/ g/ n; IEEE802.11 d, e, h, i, j ; Frequency Band: 2.4 GHz; Antenna Connector: Reverse SMA Male Plug; Access Method: Infrastructure Mode, Ad-Hoc Mode (802.11b Ad-Hoc), Roaming; Interface: USB 2.0/ USB 1.1 Data Rate: 11b- 1/ 2/ 5.5/ 11Mbps (auto sensing); 11g- 6/ 9/ 12/ 18/ 24/ 36/ 48/ 54Mbps (auto sensing); 11n- up to 150Mbps; Receiver Sensitivity: -93dBm; LED: Power/ Link; Security: WPA2/WPA-PSK; WEP64/128-bit; Quality of Service: WMM, 802.11e Antenna Type: Detachable 5dBi Indoor Omni Antenna; VSWR: &lt;1.5 max (0~6 GHz); Beam Width-H Plane: 360 (Vertical); Beam Width-E Plane: 60; Polarization: Vertical (Linear); Impendence: 50ohm; Certification: FCC, CE, IC Support OS: Windows 7/ Vista/ XP/ 2000, MAC OS 10.4/ 10.5/ 10.6, Available USB port; Package Contents: Wireless N 150 High Power USB Adapter; Quick Installation Guide; Utility CD