In short: no, your ISP router is not good enough for an expansive home network. These devices are solid for connecting a handful of wireless devices to the available internet link, but that's about it. The router has to handle all networking tasks, including DHCP, routing, firewall, and wireless channels. This means your entire wireless network is centralized to a single point within the home. This may be fine if you have a capable router and the materials used in construction aren't too heavy, but if you struggle with a weak signal, it's time for an upgrade. Access Points (APs) are a great al