The TL-WN881ND Wireless-N300 PCI Express Adapter from TP-Link increases the speed and range of your network connection. With the integrated MIMO (multiple input, multiple output) antennas you can access your network from areas previously out of range. You no longer need to worry about walls and other obstructions as the advanced antennas provide a signal strong enough to penetrate most obstacles. 2-year limited warranty. Black.