GONSIN TC-906L infrared system is designed to offer simultaneous interpretation and audio distribution for 6 different languages GONSIN TC-906L infrared system is designed to offer simultaneous interpretation and audio distribution for 6 different languages using the proven mature infrared light transmission technology.As the central element of the system, the infrared transmitter interfaces with either analog or digital conference system, connects interpreter consoles and infrared radiators which transmit audio signals to wireless multi-channel receivers for the delegates to hear the language of their choice via personal earphones.Operating in the higher 2 to 6 MHz frequency band, the system is immune to distortion from hall lighting and free from radio interferences, ideally suited for use in business and government conferences, international conventions and other multilingual applications.