The C-0516 modulator is low cost a CATY circuit, for the high quality audio-video transmission. It operates on the VHF band and it accepts a signal coming from video camera (camcorder), tuners, etc…using directly the standard output connector line (for instance SCART) and it generates a RF signal that you could receive on any commercial TV without modifying it. The module offers a high stability and denies harmonics. The C-0512 module is a class A linear amplifier, ideal for CATV signal operating on the H2 VHF channel, to amplify a signal with high quality audio video information. It is specially adapted to the C-0516 model. The output signal can be received by any television without modifying it.