operates without subscription or call charges on pmr446 unlicensed frequencies, offering 8 channels and user selectable pl codes to help ensure a clear signal. powerful 1500 mw speaker ensures clear communication without distracting feedback in noisy conditions. upto 9km range (subject to terrain and conditions) rugged design that meets military specifications for sealing against dust, wind, shock, vibration and other adverse conditions. Included components: PMR Radio User manual Office charger Antenna