In Stock. Wireless systems give you the freedom to move around. The Freeway system gives you freedom to travel. This UHF system offers 10 frequency-selectable channels so you can find a clean frequency every time you set up. No interference. No static. This system comes with a rugged, cardioid dynamic hand held transmitter. The receiver features an advanced dipole antenna system for extended range, and dual-power switch that can effectively double your battery life.