Wireless internet is now possible also on the C64. Leif Bloomquist’s Commodore Wifi Modem emulates a C64 modem and is therefore compatible to the Wave and older modem software. It is not compatible to programs that expect an RR-Net. The module plugs into the user port.

Grab at: https://jammingsignal.com/2015/12/14/commodore-wi-fi-modem/