The HDMI to YPbPr converter is a device that allows you to convert a digital HDMI signal to an analog YPbPr signal. This is useful if you have an older TV or display that doesn't have an HDMI input, but does have a component video input (which uses the YPbPr signal). The converter has an HDMI input port and a YPbPr output port, as well as an LR RCA audio output port.
Coax splitters and combines are used to split or combine ( mix) CATV signal so that it can be used for more than one device two-way, for way, eight-way, sixteen-way, 1x12, 1x24 - rack mountable for RF distribution
Optical Time Domain Reflectometer (OTDR) an intelligent meter for Optical loss test in fiber optic cable,