The TP-Link RE550 AC1900 Wireless Dual Band Wi-Fi Range Extender Booster is a white unit designed to boost and extend the range of your Wi-Fi network. With dual-band technology supporting both 2.4 GHz and 5 GHz frequency bands, it provides a maximum wireless data rate of 1900 Mbps. It is equipped with an Ethernet port for wired connectivity and is compatible with PCs. The compact dimensions of 6.4 inches in length, 2.6 inches in height, and 3 inches in width make it easy to set up in any room. The unit is manufactured in Vietnam by TP-Link, a well-known brand in the networking industry.