802.11ac Dual-band Wireless-AC1900 PCI-E Adapter 5th generation 802.11ac chipset gives you dual-band,2.4GHz/5GHz for up to super-fast 1.30Gbps Flexible extended antenna placement helps you pinpoint the best reception in your environment. Instant Wi-Fi upgrade for your desktop: no more messy Ethernet cables needed. High-power design clears up dead zones with 150% greater coverage Custom heatsink dissipates heat for more stable and reliable non-stop operation ◎802.11ac 1300Mbps @ 5Ghz or N450Mbps@2.4GHz, ◎WiFi PCI-E card ◎High Power *802.11ac upto 1300Mbps;802.11n upto 450Mbps *Dipole Antenna x3 with antenna base *Instant WiFi upgrade for desktop PC *Dual-band: 2.4GHz & 5GHz selectable