TP-Link TL-WN881ND 300Mbps Wireless N PCI Express Adapter â PCI Express x1 Interface, Dimensions 4.8 x 3.1 x 0.8 in (120.8 x 78.5 x 21.5 mm), 2 Detachable Omni Directional Antennas with 2dBi Gain, Wireless Standards IEEE 802.11n, 802.11g, 802.11b, Frequency 2.4-2.4835GHz, Signal Rate Up to 300Mbps (11n), Retail Box , 2 year Limited Warranty
