ZeeVee ZVPRO820-MX is an HD video encoder/QAM modulator with 2 Unencrypted HDMI inputs up to 1080i/1080p with embedded digital audio or analog audio. Mpeg2 QAM RF output. 1 delay match analog audio output for analog audio input. Closed Captions supported. Includes power supply. Cables and Rack Kit sold separately. MX version must be ordered for pass-through.