TP-Link Wireless N300 PCI Adapter， 2.4GHz 300Mbps -(TL-WN851ND)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Standards: IEEE 802.11n， IEEE 802.11g， IEEE 802.11b </span></li><li><span class="a-list-item"> Interface: 32-bit PCI </span></li><li><span class="a-list-item"> Antenna: 2x 2dBi Detachable Omni Directional Antenna </span></li><li><span class="a-list-item"> Wireless Security: Support 64/128 bit WEP， WPA/WPA2/WPA-PSK/WPA2-PSK， Wireless MAC Filtering </span></li><li><span class="a-list-item"> Wireless Mode: Ad-Hoc; Infrastructure </span></li><li><span class="a-list-item"> System Requirements - Windows 7(32/64bits)， Windows Vista(32/64bits)，Windows XP(32/64bits)， Windows 2000 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TNmM6%2BeHL.jpg" noproxy>