The Netgear Nighthawk WiFi Range Extender AC1900 EX7000-100NAS is a black external unit with 5 Gigabit Ethernet ports designed to provide high-speed wireless connectivity for your PC. It offers a maximum wireless data rate of 1900 Mbps using 802.11ac technology, making it ideal for streaming, gaming, and other bandwidth-intensive activities. With a one-month manufacturer warranty, this dual-band range extender from NETGEAR is a reliable and efficient choice for expanding your home network's coverage and speed.