The Cyseed WiFi Extender Signal Booster is a white dual-band extender with a maximum wireless data rate of 300 Mbps. It is designed to boost 4G cellular network signals and provides wireless connectivity for PCs. The booster comes with a 1-year manufacturer warranty and has one Ethernet port (RJ-45) for added convenience. Its compact design and easy setup make it a practical solution for improving WiFi coverage in your home or office.