PCI Express x1 - 300 Mbps - 2.48 GHz ISM - 2.4GHz 300Mbps - Include Low-profile Bracket General Information Manufacturer: TP-LINK Technologies Co., Ltd Manufacturer Part Number: TL-WN881ND Brand Name: TP-Link Marketing Information: What This Product Does Wireless 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 & Range MIMO (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 Signals Clear 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 Encryptions WPA/WPA2 encryption standards ensure your wireless connection is safe from intruders. Easy Setup Either using the optimized user interface and setup wizard or the CD (included) setup wizard will allow you to get 'online' quickly and easily. >More from the Manufacturer Technical Information Wi-Fi Generation: Wi-Fi 4 Network Band: Single Band Antenna Gain (Isotropic): 2 dBi Wireless Security: WEP 64/128-bitWPAWPA2WPA-PSKIEEE 802.1XWPA2-PSK (TKIP/AES) Physical Characteristics Depth: 3.1" Length: 3.1" Miscellaneous Package Contents: 300Mbps Wireless N PCI Express Adapter 2 x Detachable Omni Directional Antenna Resource CD Quick Installation Guide System Requirements: Operating Systems:Windows 8 32/64-bitWindows 7 32/64-bitWindows XP 32/64-bitWindows Vista 32/64-bit Device Supported: Desktop Computer Certifications & Standards: IEEE 802.11nIEEE 802.11bIEEE 802.11gCEFCC