I probably bought it about 15 years ago. I used it until 5 years ago, but I haven't used it since then because I sold my PC TV tuner around that time. I was able to use it without any problems until then. ※ I found a cable and a repeater, so I'll add them. (Last image) In other words, - Antenna 4-way splitter x1 - Antenna signal divider x4 - Single antenna cable x2 - Double antenna cable x1 - Repeater x1