RTL8188 150Mbps 2.4GHz USB 2.0 WiFi Adapter External Network Card 1. Built-in smart antenna, use WiFi wireless transmission function. 2. Mini design, it takes up less space when used, which is easy to store and carry. 3. The wireless rate is 150Mbps and the LAN data transmission is efficient, satisfying you a smoother application experience of voice and video, online games and online on-demand. 4. Support analog AP function, more devices WiFi sharing. 5. RF power: 20dBm (maximum value) 6. Operating temperature: 0 to 40 Degrees Celsius 7. Storage temperature: -40 to 70 Degrees Celsius 8. Working humidity: 10% to 90% RH does not condense 9. Storage humidity: 5% to 90% RH does not condense 10. Interface: USB2.0 11. Wireless standards: IEEE 802.11g, IEEE 802.11b, IEEE 802.11n 12. Product size: 19x15x6mm