What This Product DoesWireless N PCI Express 2.0(x1) Adapter TL-WN881ND allows you to connect a desktop computer to a wireless network and access high-speed Internet connection. Comply with IEEE 802.11n. they provide wireless speed up to 300Mbps. which is beneficial for the online gaming or even HD video streaming.Wireless N - Speed & RangeMIMO (multiple input. multiple output antennas) technology. it shows more excellent abilities of mitigating data loss over long distances and through obstacles in a small office or a large apartment. even in a steel-and-concrete building. Above all. you could easily pick up the wireless network during long-distance connection where legacy 11g products may not!CCA Technology - Stable Wireless SignalsClear Channel Assessment (CCA) automatically avoids channel conflicts using its clear channel selection feature and fully realizes the advantages of channel binding. greatly enhanced the wireless performance.WPA / WPA2 EncryptionsWPA/WPA2 encryption standards ensure your wireless connection is safe from intruders.Easy SetupEither using the optimized user interface and setup wizard or the CD (included) setup wizard will allow you to get ‘online’ quickly and easily.