Fully digital design, the sound quality and anti-interference ability are greatly improved. Comply with international standards IEC 61603-7 and IEC 60914 ; Comply with the latest Chinese standard GB 50524-2010 ; Compatible with other infrared simultaneous interpretation systems that meet the IEC 61603-7 standard (cross-use can be used).The digital IR radiator can be mounted on ceilings, walls, floor stands or an optional tripod ; Multiple systems are easily connected for an expanded coverage.Hand-in-hand signal radiation enhanced coverage mode, which can easily expand the signal coverage, and can also be used to configure into a multi-room modeHumanized man-machine interface design, easy to use, can be operated and used without in-depth training.