LICENSE FREE OPERATION, 10MW IN EUROPE, 100MW OUTSIDE OF EUROPEfor Live Sound, Club Music, Conferences, Presentation, Seminars and Installations The DPTTETRAD is a professional digital wireless body-pack transmitter for license free operation with 10mW in Europe and 100mW outside of Europe. With 24-bit 48kHz audio coding, it provides uncompressed studio-quality transmission and a linear frequency response, perfect for demanding instrumental performances. 128-bit AES standard encryption prevents tapping of the audio signal, which makes it a perfect companion for high-security conferences. The DPTTETRAD provides digital diversity and an out-of-range warning function to ensure a stable and drop-free signal within the entire operating area. Its input is fully adjustable between mic and line level for noise- and distortion-free signal reproduction from loud guitars or gentle microphone signals.