You seem to forget that cellphones are actually phenomenally complicated pieces of RF engineering. It wasn't Apple pioneering how to make that all work. People seem to forget now that Phones aren't just computers. That miniaturization was rf technologies was, in part, thanks to Nokia who were getting people talking without wires long before Apple decided to think about phones. While Apple as a company pre-dates Nokia by I suspect something like a decade, back then Apple were focused on getting spreadsheets working.