Seamless whole-home Wi-Fi coverage (Up to 4,000 sq ft, Ideal for 3-5 bedroom houses) eliminate weak signal areas once for all and simply add more Decos to the network anytime to increase coverage Provides fast and stable connections with speeds of up to 1167 Mbps and works with all internet service provider (ISP) and modem Provides lag-free connections for up to 100 devices and devices can automatically switch between Decos for the fastest possible speeds Compatible with Amazon Echo/Alexa Control your home network using voice commands and more fun to use different apps and devices Parental Controls Limit online time and block inappropriate websites according to unique profiles created for each family member Setup is easier than ever with the Deco app there to walk you through every step The Version and Package may vary. Version 3 package content 1 Deco E4R Unit + 2 Deco E4S Units. Version 2 contenct 3 Deco E4R Units The Deco E4 system only has 100Mbps LAN/WAN ports, which means the maximum transmission speed is 100Mbps through these ports. The WAN port is always connected with the ISP line, so even you have a high-speed bandwidth from your ISP, you can only get a maximum of 100Mbps speed in total. This is why even the negotiating speed between wireless clients and the router can get 450Mbps(2.4GHz), 867Mbps(5GHz), however, the download or upload speed of the devices is still 100Mbps at most