Inbertec UGA100 is designed specifically for seamless integration with aircraft interphone systems.It acts as a relay for all intercom audio between Inbertec wireless headset/UGP100 users and the interphone system for pilot to ground communications. lt has 20channels and supports up to 10 full-duplex calls at the same channel. Only 3-4 hours to full-charge can support at least 10 hours continual work.