The VX-230 Series by Vertex Standard delivers more features and performance in its class for maximum return on investment. These 5 watt - 16 channel radios are available as both a VX-231 UHF model and VX-231 VHF model. The VX-231 radios come equipped with the latest in technology lithium ion battery packs and run up to 9 hours on a single charge. They will communicate 3-5 miles depending on your terrain and location. The VX-230 Series is perfect for Schools, Distribution Centers, Golf Courses, Construction Sites, Amusement Parks, and more.