The AC1900 Dual-Band PCIe Wireless Adapter from ASUS has 5th generation 802.11ac chipset which gives dual-band, 2.4/5GHz for speeds up to 1.30 Gb/s. Its flexible extended antenna placement helps you pinpoint the best reception in the environment. The wireless adapter also provides instant Wi-Fi upgrade for your desktop, thus no more messy Ethernet cables needed. Its high power design clears up dead zones with 150% greater coverage and custom heat sink dissipates heat for more stable and reliable non-stop operation.