I ride motorcycles in the desert with a group of seven or eight guys, and we all have been using these PCI com units for a few years now and we wont leave camp with out them. they keep us in touch with each other because we wind up getting spread out some times,and the radio helps us come back together. We even had a guy go down and got hurt and needed to get picked up and taken back to camp, and we had some one monitoring a base radio at camp and heard what was going on and sent a truck to pick up our injured buddy. We have used a couple other brands but they were nothing compared the PCI units, Best riding coms. ever.