RN420 uses a system of units to achieve seamless whole-home Wi-Fi coverage, eliminate weak signal areas once and for all. RN420 work together to form a unified network with a single network name. Devices automatically switch between RN420s as you move through your home for the fastest possible speeds. A RN420 Dual-pack delivers Wi-Fi to an area of up to 2,800 square feet. And if that’s not enough, simply add more RN420 to the network anytime to increase coverage. RN420 provides fast and stable connections with speeds of up to 867 Mbps and works with major internet service provider (ISP) and modem. Parental Controls limits online time and block inappropriate websites according to unique profiles created for each family member. Setup is easier than ever with the Skywifi app there to walk you through every step.