Buying your own modem is a great way to save a bit of money on your high-speed internet bill. The ARRIS Surfboard G54 is a DOCSIS 3.1 multi-gigabit cable modem and WiFi 7 router that lets you get the speed you pay for. It is compatible with Cox, Spectrum, and Xfinity. The router covers up to 5000 sq.ft.
This modem and router has 4 x Gigabit ports and a 10Gb Ethernet port. It delivers wireless speeds up to 18Gbps. You can set up and activate this with your phone.