The Calix 804 Mesh Dual Wifi 100-05030 is a black dual-band extender that offers single Ethernet (RJ-45) port connectivity. This model is designed to provide a strong and reliable mesh network for improved home networking and connectivity. With its dual-band capability, the Calix 804 is able to extend the range and strength of your Wi-Fi signal, ensuring a seamless and fast internet connection throughout your home. Perfect for enhancing your home networking experience, this extender from Calix is a reliable and efficient solution for expanding your Wi-Fi coverage.