The Elgato EyeTV Hybrid All-in-One TV Stick is a USB dongle that allows you to watch HDTV, FM radio, and analog TV on your Mac. It has a CATV/RF coaxial F I/O, USB 2.0, S-Video output, composite RCA output, and comes with an RCA cable. It is compatible with USB 2.0 ports and has digital and analog video capture. See photos.