Yes, the ARRIS Surfboard SBG7580-AC modem comes with a built-in router. It is a digital device that comprises three units namely the modem, router, and 4 Gigabit Ethernet Cable merged within a single unit. Moreover, it comes at an affordable price which serves as an added advantage compared to that of other modem and internet service providers (ISP). It has features enabling connection across several devices without any drop in internet speed.