GSI High-Powered Ultra-Secure 500mW 150Mbps USB Wireless WIFI Long Range Network Adapter with Detachable External 5dBi Antenna - IEEE 802.11 b/g/n Interface - For PC/Laptop/Notebook/Computer Hot-Spot Internet Connection - For Travel and Home Use 500MW on 802.11 g/n, provides about 1000 meters of WIFI Signal coverage (in open area) Includes a High Gain 6 inch 5 DdBi Screw-On Swivel Rubber Antenna that Extends the Connection Range and Distance Supports USB 2.0/1.1 Interface, Extended USB Cable Included- 2 Stages Power Output Installation driver supports Windows CE/2000/XP/Vista, Linux 2.6X; Mac OSX Wi-Fi Certified, Compliant with IEEE Standards, Diagnostic LED indicator