Dec 21, 2020 · On the Wi-Fi side, a cable modem/router combo works the same as any other wireless router, meaning you'll be choosing from the same Wi-Fi standards and frequencies, such as 802.11n and 802.11ac, which have recently been redesignated as Wi-Fi 4 and Wi-Fi 5, respectively, in order to make it easier for consumers to understand the relationship between them.