TPUH421 is an ultra thin HDBaseT Extender set that consists of transmitter (TPUH421T) and receiver (TPUH421R). It distributes HDMI signal via CAT5e/CAT6a cable at 328ft/ 100m/PoH and enables IR and RS232 passthrough to control remote displays. It also supports 4 Ethernet interface for network. It provides a perfect long range transmission solution.