What this product doesThe Wireless-N USB Adapter TL-WN821N allows you to a desktop or notebook with a WLAN to connect to a high-speed internet connection. Since the IEEE 802.11n standard is met, it offers WLAN speed of up to 300 Mbps, what online gaming or even HD video streaming is sufficient.Wireless N Speed & RangeWith the MIMO (Multi Input Multi Output/antennas) features further outstanding capabilities of low-loss transmission over long distances and when transmitting through obstacles in a small office or a large home, even in a reinforced concrete building. Above all, using long distance links you can easily provide WLAN in locations where it would not be possible using conventional 11g products. CCA technology-stable WLAN signalsClear Channel Assessment (CCA) automatically prevents channel conflicts: This function automatically searches for a free channel and uses the benefits of the channel connection to their full potential, thus significantly increasing the performance of yo