Hollr -WorldWide Walkie Talkie

Push to Talk instantly with anyone, anywhere, on any connection and almost any communications device. Hollr lets smartphone, PC/Mac, & 2-way radio users like HAM/CB/Police/Fire/EMS/AIR/MIL + enterprise talk worldwide at the push of a button on virtual walkie talkie channels known as "TalkGroups". Features: Works on any connection! Talk in a group call or private call.