[ELI5] If smartphones can be used for long range communication, then why can’t it be used to communicate like walkie-talkies?

Question

[ELI5] If smartphones can be used for long range communication, then why can’t it be used to communicate like walkie-talkies?

In: 10

Answer 1

We used to have it, my dad told me it was significantly cheaper than making a call. My dad only communicated that way with his buddies. He got me one at age 6 so I could do the same. I was the only one in my class to have a phone (2002) and would 2way my dad whenever. I remember that chirp noise