The Alfa AWUS036ACS 802.11ac 600Mbps USB Dual Band Long Range WiFi USB Adapter AC600 is a high-performance USB adapter designed for use with PCs. With a maximum downstream data rate of 600 Mbps and dual-band technology, it offers fast and reliable connectivity for a variety of applications. The adapter is backed by a 1-year manufacturer warranty and comes in a sleek black color. Its long-range capabilities make it a versatile option for improving WiFi connectivity in your home or office setup.