Question About 5G/WiFi/Bluetooth

https://en.m.wikipedia.org/wiki/5G

https://en.m.wikipedia.org/wiki/Wi-Fi

https://en.m.wikipedia.org/wiki/Bluetooth


According to Wikipedia 5G, WiFi, and Bluetooth all use "Radio Waves".

My question is, are radio waves divided by analog and digital?

This is why I wanted 1 digital radio and 1 analog to study how they work.