The AT-ETU-SYNC (Atlona Etude™ Sync) offers Hot Plug Detect communication and EDID emulation between HDMI® sink and source products. It recognizes and corrects for signal integrity issues linked with cabling or connections, and can resolve compatibility issues between a source and sink. The unit is High Dynamic Range (HDR) Compatible, and it is HDCP 2.2 compliant. It allows 4K/UHD@60 Hz with 4:4:4 chroma sampling, plus HDMI data rates up to 18 Gbps. Perfect for AV system troubleshooting and ensuring secure, consistent performance.