Highlights: �� Standard: 802.11 b / g �� Interface: USB rev.2.0 A-type�� Frequency band:2.400GHz - 2.484GHz�� Supports WISP mode�� Supports passive power over Ethernet�� Supports 15KV ESD protection�� Supports AP client router， AP router and AP operation mode�� Distance adjustment for long range transmission， up to 50KM�� Supports antenna alignment�� Supports layer 2 user isolation�� Provides throughput monitor indicating the current wireless throughput�� Supports ping watch dog， wireless speed test， remote management�� Provides WEP， WPA / WPA2， WPA-PSK / WPA2-PSK Data Security�� Provides external RP-SMA connector for higher gain antenna upgrade�� Number of operation channel:2.412 - 2.462GHz ( Canada， FCC ) / 11 Channels2.412 - 2.484GHz ( Japan， TELEC ) / 14 Channels2.412 - 2.472GHz ( Euro， ETSI ) / 13 Channels�� Security: 64 / 128bit WEPWPA ( TKIP with IEEE 802.1x )WPA2 ( AES with IEEE 802.1x )�� Antenna: 68DBI panel antenna ( SMA connector )�� Humidity: 10 percent - 90 percent ( Non-condensing )�� Driver Support: Windows 7， 98se， ME， 2000， XP 32 / 64， Vista 32 / 64， Linux and MAC OSModel: KS1680 Color: White Type: USB Wireless Adapter Transmission Rate: 54Mbps Transmission Frequency: 2.4GHz Package weight: 0.44 kg Product Size (L x W x H): 19.2 x 11.5 x 9.0 cm / 7.55 x 4.52 x 3.54 inches Package Size (L x W x H): 18.5 x 14.0 x 8.0 cm / 7.27 x 5.50 x 3.14 inches Package Contents: 1 x KASENS KS1680 6000MW 68DBI Wireless USB Adapter WiFi Decoder with 2.4G Antenna1 x CD1 x USB Cable1 x Bilingual User Manual in English and Chinese