The Tenda U11 Pro 650Mbps USB 3.0 Wireless Wi-Fi Adapter with External Antenna in black is a high-speed device designed for PCs. With a maximum downstream data rate of 650 Mbps, this adapter provides reliable and fast wireless connectivity. It features a compact design with dimensions of 0.71 inches in length, 6.83 inches in height, and 2.28 inches in width. The USB 3.0 port ensures a quick and easy connection to your computer, while the external antenna offers improved signal strength and range. Additionally, the RoHS compliance feature ensures environmental sustainability.