No hassle, pre-programmed and configured to receive your transmitter(s) frequencies. All shipped UV-5R’s are authentic, supplied with charger and docking station, frequencies for your purchased transmitters will be programmed and saved to your radio, along with configurations and changes to some settings that will allow your radio to receive signal and audio from our transmitters to the best of its capability. This radio will work with all of our UHF Audio Surveillance Transmitters.