Wireless N PCI Express 20 (x 1) Adaptor TL-WN881ND means that you can connect a desktop computer to a wireless network & access high-speed Internet connection Comply with IEEE 80211n they provide wireless speed up to 300 Mbps which is beneficial for the online gaming or even HD video streaming MIMO (multiple input multiple output antennas) technology it shows more excellent abilities of mitigating data loss over long distances & through obstacles in a small office or a large apartment even in a steel-&-concrete building Above all you could easily pick up the wireless network during long-distance connection where legacy 11g products may not! Clear Channel Assessment (CCA) automatically avoids channel conflicts using its clear channel selection feature & fully realizes the advantages of channel binding greatly enhanced the wireless performance As for the security of WI-FI connection WEP encryption has been no longer the strongest & safest guards for outside intrusions TL-WN881ND provides WPAWPA2 encryptions that are created by the WI-FI Alliance industry group promoting interpretabilities & security for WLAN which could effectively & efficiently protect the wireless network Wireless N speed up to 300 Mbps makes it absolutely ideal for video streaming online gaming & Internet calls 2T2R MIMO delivers greater throughput at range versus conventional 1T1 R Easily setup a highly secured wireless link with QSS software embedded Supports 64128 WEP WPA WPA2WPA-PSKWPA2-PSK (TKIPAES) supports IEEE 8021 X Supports Windows 7 3264bit Windows XP 3264bit Vista 3264bit Supports ad-hoc & infrastructure mode Bundled utility provides quick & hassle free installation Seamlessly compatible with 80211nbg products Wireless Modes Ad-Hoc Infrastructure mode Antenna Type 2 x 2d Bi detachable Omni directional Approvals CE FCC Ro HSBarcode 6935364050573 Depth 785 cm Encryption 64128-bit WEP • WPA-PSK WPA2-PSKForm Factor Wireless Adaptor Frequency Band 2400 to 24835 GHz Height 215 cm In The Box Wireless Adaptor • 2 x Detachable Omni directional antenna • Resource CD • Quick Installation Guide Interface PCI Express Model Name TL-WN881NDModulation Technique DBPSK DQPSK CCK OFDM 16-QAM 64-QAMOperating Humidity 10 to 90 Operating Systems Supported Windows 7 (3264bits) Windows Vista (3264bits) Windows XP (3264bits) Operating Temperature 0 to 40 °CProduct Type Wireless Adaptor Receive Sensitivity 270M -68d Bm 10 PER • 130M -68d Bm 10 PER • 108M -73d Bm 10 PER • 54M -73d Bm 10 PER • 11M -89d Bm 8 PER • 6M -87d Bm 10 PER • 1M -90d Bm 8 PERRF Network Standard 80211bgn Speed Options Up to 300 Mbps Transmit Power 20 d Bm Width 1208 cm Wireless Type Wireless N