Tim is now forcing people to use his handheld radio android phone thing.
Having a PTT makes it much more radio like.
Question about the "aerial", which may or may not be doing anything other than looking like a radio, or maybe improving WiFi / cell signal.
Live demo of network radio channel 5 on zello with G1YPQ, AND a break station wanting to join. Audio quality is noticeably very good.
Question about why it's simplex, by design! Otherwise it's just a phone.