The NetMedla MODCAM is a self contained camera and modulator that converts the video signal to a selected television channel. It is powered over the same coax cable that (etuins the video broadcast signal lor One Wlie Video'" installation. It mounts toa typical round 4 inch junclion box and is viewed with a television tuner. Other junction boxes ("rom youi local hardware store may ako be used alter replacing the round base with another that has a 1/2 inch diameter hole foi the elbow bracket. Equlp-menl that doesnothavea tuner,suchasa security monitor,Ouad display.or DVR, will requirea demodulator (any TV tuner device with a composite video output such as a VCR) to convert the video lor Us use.