Find helpful customer reviews and review ratings for VECTORCOM RD08 Portable Digital Wrist Watch Walkie Talkie Two-Way Radio for Outdoor Sport Hiking, The watch is a uhf radio. UHF radios work best point to point with no obstructions. If there is any terrain, hills, trees etc, the range may not be as good. Buy VECTORCOM Portable Digital Wrist Watch Walkie Talkie Two-Way Radio Outdoor Sport Hiking online at an affordable price. Get special offers & fastThe lightweight and compact wrist watch style device can be operated Red Button is pushed it pushed is sends out radio frequency (RE) signals.