Features: CPU control IR frequency Integrated low noise RF front-end Integrated FM modulation Integrated HD audio processing Integrated DC/DC LCD dynamic display Preset 40/80 non-interfered channels Frequency Range:UHF 480~960 MHz Sensitivity:<-97dBm@12dB SINAD Frequency Response:50~18KH z T.H.D :≤0.5% Effective Action Distance: 50-80M Digital circuit