This is an HDMI over IP KVM optical extender kit. With this device, UHD
HDMI signals can be transmitted at high definition and ultra low latency
over 40km of single-mode fiber optic cable at 4K@60Hz 4:4:4 HDR
resolution. It supports point-to-point connection or one-to-many
connection through gigabit switch, and cascading of switches is also
supported. This HDMI extender kit has features including HDMI loop out,
KVM, and audio extraction through S/PDIF output on the receiver. This
extender kit is a reliable UHD video transmission and distribution solution
which can be widely used in security monitoring, rail transit, broadcasting,
smart cities, conference and other fields.