The HCS-5300 series main unit complies with ISO 22259 and IEC 61603-7 digital infrared standards, featuring TAIDEN's proprietary dirATC technology for secure, interference-free audio transmission. It is compatible with the HCS-5100Plus digital IR language distribution system and enables more attendees to join in the conference. The unit connects to computers via TCP/IP for remote control and can also integrate with central control systems for centralized management.