1、Humanized Antenna Design: Adopts split detachable design with strong expansibility, external omnidirectional antenna and high gain 5dBI performance, which can make the wireless signal transmission distance longer in an open environment 2、Flexible Design: Adopted to support multi dimensional free rotation. It can be adjusted according to usage habits and signal strength to improve signal sensitivity and enjoy high speed with you 3、Wireless CCA Technology: When there is wireless signal interference around, the instrument will automatically adjust the mode to avoid signal interference and make the wireless signal more stable 4、Wireless Standard: IEEE 8011n/g/b. RTL8188ETV chipset, 4GHz enhanced 150Mbps wireless data transmission rate, wide range, ultra fast speed, no drive, plug and play. 5、Super Compatible and Diverse Support: Compatible with for Windows ,for Linux , for OS X and other operating systems, making it more convenient for you to use 1 x Wireless Network Card1 x Antenna1 x CD1 x User Manual Item Type: Wireless Network CardModel: For W90Material: ABSColor: BlackChipset: RTL8188ETVWireless Standards: IEEE 802.11n(draft),IEEE 802.11g,IEEE 802.11bInterface Type: USB 2.0 / 1.1Transmission Rate: 802.11n: Up to 150Mbps 802.11g: 54 / 48 / 36 / 24 / 18 / 12 / 9 / 6Mbps (Adaptive) 802.11b: 11 / 5.5/2/1Mbps (Adaptive)Frequency Range: 2.4- 2.4835GhzWorking Channel: 1-14Data Modulation: 11b:CCK,DQPSK,DBPSK11g:OFDM11n:OFDM with PSK,BPSK,16-QAM,64-QAMSecurity: 64 / 128 Bit WEP EncryptionWPA,WPA-PSK,WPA2,WPA2-PSK.TKIP/AESRF Power: 20dBm (Maximum)Antenna Gain: 3.5dBi External Smart AntennaLed Indication: StatusSupport Operating System: Support for Windows2000 ,for Xp , for Vista ,for Win7, for Win Ce,for Linux ,for OS X