TL-WN821N Wireless N USB Adapter complies with IEEE 802.11n, IEEE 802.11g, and IEEE 802.11b standards. Wireless transmission rates can reach up to 300Mbps. The adapter employs MIMO technology and has internal Intelligent Antennas providing even better wireless performance, transmission rates, stability and coverage. At the same time, CCA technology automatically avoids channel conflicts using its channel selection feature. This product can also simultaneously operate bandwidth-intensive applications such as voice and video. TL - WN821N equipped with the USB cradle and extension cable, which allows you to save USB port space, and extend the USB connection length up to 5 feet, making it more convenient to plug the USB device in & out of the USB socket. Its elegant and stylish design is suitable for home deployment and will even improve the look of your home and office.