Overview: Up to 150Mbps wireless transmission rate Provides PCI Express interface Advanced secure connection with WPA/WPA2 encryption Bundled utility enables easy management What This Product Does TP-LINK TL-WN781ND is designed to provide a complete end-to-end wireless performance from the server or server backbone to the switch infrastructure and down through to the desktop with the PCI Express connector. TL-WN781ND Wireless N PCI Express(x1) Adapter provides a wider compatibility, fitting with any standard PCI Express slot, x1, x2, x8, or x16. Compared with standard PCI network cards, it offers increased bandwidth, reliability and more functionality, allowing you to enjoy a fast and advanced connection, such as downloading, making internet call and video streaming. Hardware Features: Interface - PCI Express Dimensions ( W x D x H ) - 120.8 x 78.5 x 21.5mm Antenna Type - Detachable Omni Directional (RP-SMA) Antenna Gain - 2dBi Wireless Features: Wireless Standards - IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency - 2.400-2.4835GHz Signal Rate 11n: Up to 150Mbps(dynamic) 11g: Up to 54Mbps(dynamic) 11b: Up to 11Mbps(dynamic) Reception Sensitivity 130M: -68dBm@10% PER 108M: -68dBm@10% PER 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER Transmit Power - < 20dBm(EIRP) Wireless Modes - Ad-Hoc

Infrastructure mode Wireless Security - Support 64/128 bit WEP, WPA-PSK/WPA2-PSK Modulation Technology - DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM Package Contents: Wireless Adapter Detachable Omni directional antenna Resource CD Quick Installation Guide System Requirements: Windows 8.1/8(32/64bits), Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits) What's in the box Wireless Adapter Detachable Omni directional antenna Resource CD Quick Installation Guide