Key Digital KD-IP922ENC-II A/V IP System EncoderKey Digitals 4K AV over IP system encoder may be scaled to fit any installation need. Add an Encoder per video source or Decoder per video display and use a verified network switch as the central point of this HDMI AV routing and distribution system. The Key Digital 4K AV over IP system meets all integration needs, with Encoder and Decoder features including a video wall, IR & RS 232 control, audio pre amp, app ready user interface capabilities, and