The ASUS PCE-AC56 is a 802.11ac Wi-Fi PCI Express adapter which upgrades your desktop from tangle-some Ethernet cables to carefree industry leading 802.11ac at up to 867 Mbps. Broadcom TurboQAM technology super charges 2.4 GHz 802.11n performance from 300 Mbps to 400 Mbps with compatible devices. Plus, the stylish external magnetised antenna base gives you more flexibility in adjusting antenna placement to get the best signal reception quality possible.