FAST: Upgrade your WIFI speed to 1200Mbps (2.4G/300Mbps+5.8G/867Mbps), excellent for reducing freezing and lags when streaming and gaming. Ultra-fast AC1200 wireless network adapter speed with 802.11AC. | SECURE: Support WEP/WPA/WPA2/WAPI/WPS secure Tech. By using AC1200 AC wireless adapter, you can upgrade your PC,laptop or Mac to work with the latest AC WiFi router for faster speed and extended range. | POWERFUL: High Gain Long-Range 5dBi Antenna can help you connect even when signals are weak. | Quality Service: OURLINK brand products is through CE / FCC / RoHS related certification. We offer 12 MONTH WORRY-FREE WARRANTY, if you have any problems when using, just contact us. We must GIVE YOU A REPLACEMENT or REFUND UNCONDITIONALLY !