Wireless N speed up to 150Mbps, ideal for internet surfing and on-line gaming. Complies with IEEE 802.11n (Draft 2.0), IEEE 802.11g, IEEE 802.11b standards. Comes with a 2dB high gain antenna, provide better wireless transmission, more stable and wireless coverage. CCA technology enhances your signal stability by automatically avoiding channel conflicts. Quick secure setup, complies with WPS for worry free wireless security. Supports 64/128/152-bit WEP, as well as WPA/WPA2 and WPA-PSK/WPA2-PSK encryption. Item Name: 150M Wireless USB Card Frequency Range: 2.412-2.484GHz Max RF: 20Dbm Encryption Methods: For WEP, WPA, WPA/WPA2, WPA-SPK/WPA2-SPK Working Temperature: 0℃ to 40℃ Working Voltage: 3.3V/5V Quantity: 1 Pc Features: Durable, Easy to Use, Portable, Useful, Rotary Antenna Size: 13.7cm/5.39" (Approx.) Notes: Antenna is not detachable. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4 x 1 x 150M Wireless USB Card (Without Optical Disk)