... +15dbi usb wifi with antennaFeatures:1. With 7dBi +15dbi two Antenna;2. Connects at a full 150Mbps via USB 2.0 ... .0/1.1 Frequency Range 2.412GHZ ~2.484GHZ unlicensed ISM band Chipset 3887Reception range 2000meters Data rate IEEE 802.11b:1 ... /128/256bit),WPA,WPA-PSK,WPA2 TKIP/AES , WPA2-PSK Antenna RP-SMA 7DBI +15DBIOS Supported Windows 98SE,Me,2000,XP ...