>>1498135Radios aren't as simple as press-button-get-help (consumer or even amateur stuff, anyways). Coverage, while usually good (especially public safety radio), isn't 100%. Then there's the licensing thing, and cost of that equipment (along with batteries to maintain, accessories/parts to replace (antennas, RSMs, belt clips, batteries).
Even with a lower-powered, less-antenna'd communicator, all you really need is a clear-ish view of the sky to get GPS lock and pop off a message.
