Motorola+I355+Rugged+Nextel+Cell+Phone+Walkie+Talkie+Radio for sale online | eBay
Nextel i880 - Review 2007 - PCMag UK
Throwback Tech: Old school cell phones - Electronic Products
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... :