The CYP PRO-F21RX is a dedicated HDMI over Fiber Receiver designed for extending 4K UHD HDMI signals up to 300 meters using multi-mode fiber optic cabling. It supports resolutions up to 4K@60Hz (4:4:4, 8-bit), 10/12-bit HDR, and 16-bit Deep Color at 1080p@60Hz, fully compliant with HDMI 2.0 and HDCP 2.2 specifications. The unit features 1x HDMI input, 1x HDMI output (bypass), and fiber input with comprehensive EDID management including six pre-defined internal profiles, two external selections, and user-uploaded options. Transmission of signals exceeding 10.2Gbps undergoes automatic chroma and bit-depth subsampling. Control options include front panel operation, RS-232, Telnet, and Web GUI interfaces. The device provides RF immunity and EMI protection inherent to fiber optic transmission for professional AV installations requiring long-distance signal extension.