Boosters and hdcp convertors

Alfatron ALF–B20K Booster

B20K is an HDMI 2.0 booster designed to extend 4Kx2K@60Hz 4:4:4 signal up to 20m, and 4Kx2K@30Hz signal up to 35m over HDMI2.0 cables being powered by HDMI source, and the HDMI cables should support 18Gbps.