KIT 500 is a high−performance integrated matrix scaler kit, consisting of the KIT 500T matrix transmitter with two USB−C and two HDMI/USB inputs independently routable to HDMI and HDBT outputs, and the KIT 500R auto−switcher scaler receiver with an HDMI input for routing a local signal and an HDBT input for routing a remote signal (from the KIT 500T transmitter). The remote USB peripherals (such as a room camera) are extended for use of local USB host for convenient hybrid meeting operation with both room and online participants.