Wall plate assembly

A wall plate assembly comprising:

• a wall plate, said wall plate comprising at least one insertion slat cut through front and back sides thereof for the insertion of at least one HDMI (High-Definition Multimedia Interface) plug, and a front recess on said front side thereof and a support device fastened to said front recess for supporting said at least one HDMI plug in said at least one insertion slot, said support device comprising a first support frame fastened to said front recess of said wall plate below the elevation of said at least one insertion slot, and a second support frame horizontally adjustably coupled to said first support frame;
• and
• a signal adapter fixedly provided at the back side of said wall plate, said signal adapter comprising a base frame affixed to the back side of said wall plate, a circuit board mounted on said base frame, at least one HDMI (High-Definition Multimedia Interface) jack installed in said circuit board and respectively attached to said at least one insertion slot of said wall plate for receiving said at least one HDMI plug, and an adapter module installed in said circuit board and electrically connected to said at least one HDMI jack for the connection of at least one RJ type module plug.