Sabrent Stand Alone TV Tuner Box with Picture in Picture for TV/CRT/TFT and Plasma Monitor/Projectors (NTSC) ANALOG Only (TV-LCDHR) This works for analog signals only, so a Digital to Analog converter box will be needed for current digital broadcast tv. This television receiver has only an analog broadcast tuner and will require a converter box to receive over-the-air broadcasts with an antenna in the United States because of the transition to digital broadcasting in North America This small sleek box lets you watch TV on your CRT/LCD or any VGA Monitors. Simply plug it into a CRT or LCD monitor, without the need of a computer and you can enjoy watching TV shows right away