Features: 1. Improve the notebook wireless signal quality, many notebooks, mobile phones and other wireless devices in order to save costs, the built-in wifi module is relatively cheap, resulting in poor signal quality often dropped, you only need to plug in ZAPO W66L, and then bid farewell to the troubles. 2. Wireless design, refuse to mess, give you a clean space. 3. Using 802.11n technology, 2.4GHz frequency, speed up to 300M, stable network, no drop, compatibility is strong enough to meet your daily game and watch HD video needs. 4. Built-in smart dual antenna, save space without increasing signal loss. 5. Strong security, support WEP, WPA, WPA2, network encryption technology, make your network more secure, and avoid the risk of information theft. 6. Super compatible, compatible for Windows 7, Windows 8, Windows 8.1, Windows 10, Linux, Windows XP, Vista, Android and other operating systems, making your use more convenient. Specification: Supported standards and protocols: IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK using 802.11n Bus type: USB 2.0 Frequency range: 2.4G~2.4835Ghz Antenna gain: 5dBi intelligent built-in dual antenna PF power: 20dBm Transmitter Acceptance Type: 2T2R Transmission rate: 11n: Up to 300M 11g: 6/9/12/18/24/36/48/54Mbps 11b: 1/2/5.5/11M Product size: about 7.6*2.5*1cm/2.99*0.98*0.39inch Package size: about 18.5*10.5*1.5cm/7.28*4.13*0.59inch Package List: 1 * Network Card 1 * Antenna 1 * Drive CD 1、Wireless design, refuse to mess, give you a clean space. 2、Using 802.11n technology, 2.4GHz frequency, speed up to 300M, stable network, no drop, compatibility is strong enough to meet your daily game and watch HD video needs. 3、Built-in smart dual antenna, save space without increasing signal loss. 4、Strong security, support WEP, WPA, WPA2, network encryption technology, make your network more secure, and avoid the risk of information theft. 5、Super compatible, compatible for Windows 7, Windows 8, Windows 8.1, Windows 10, Linux, Windows XP, Vista, Android and other operating systems, making your use more convenient.