The TP-Link AC750 Dual Band WiFi Range Extender RE220 is a new sealed product that helps to boost the signal strength and range of your wireless network. With dual-band technology supporting both 2.4 GHz and 5 GHz frequencies, this extender provides fast and reliable internet connectivity for your devices. The TP-Link brand ensures quality and reliability, making it a great choice for expanding the coverage of your home or office Wi-Fi network.