Two Way Radios With Long Distance Coverage Under $300.00...That Are The Real Deal! | Eventtone
Nextel i880 - Review 2007 - PCMag UK
It's no accident that Apple chose a yellow icon for its walkie-talkie feature. I dug out my old (2002ish) Nextel with PTT (push to talk). It was all the rage back then... :
Motorola Nextel i355 Direct Talk - Walkie Talkie PTT | eBay