The BG-EXH-70C is a 4K HDMI extender that can transmit an uncompressed 4K@60Hz HDMI signal with zero latency at distances up to 70 meters over category cable. This unit supports HDR(YUV 4:4:4) as well as EDID passthrough for seamless connectivity. Extract digital audio via the S/PDIF port for external audio systems. Multiple audio formats are supported, including LPCM, DTS-HD, DTS Audio, Dolby Digital, and Dolby TrueHD. An ARC (Audio Return Channel) option is available for returning audio from compatible displays. The bi-directional IR pass-through allows for source control from either unit (transmitter or receiver). The transmitter is also equipped with a convenient HDMI loop-out for a local display. Integrated surge protection helps ensure long-term reliability.