I replaced these with the latest version finally. They still work and can be used as main units or add ons to an existing eero system.

This eero B010001 Pro 2nd Generation Tri-Band AC Home Mesh/Wifi Router is the perfect addition to any home networking setup. With a maximum LAN data rate of 1000 Mbps and a maximum wireless data rate of 1200 Mbps, this router offers lightning-fast connectivity. Its tri-band feature ensures that your internet connection is stable and secure, while the white color adds a sleek touch to your home decor.

This router comes with two LAN ports and an Ethernet (RJ-45) port, allowing you to easily connect your PC to the internet. Additionally, it supports wireless connectivity (802.11a/b/g/n/ac/ad) and has a country/region of manufacture in Vietnam. With its powerful features and compatibility with various devices, this eero router is a must-have for any home or office.