Back in the day this was the only way to commicate outside of the home. I remember carrying around change as a kid in case I needed to use one of these things, although often had to resort to Collect Calls...remember those?. Shorty and I agreed this beautiful stretch of the South Platte needed a few more hides. There is zero cell reception down here, make sure to download coords offline before heading out. "CAN YOU HEAR ME NOW"? Happy hunting BYOP!