InfoComm 2018: ATEN Highlights VM6404H, VM3909H Video Wall Matrix SolutionJune 13, 2018 | Home / June 13, 2018 rave-video / InfoComm 2018: ATEN Highlights VM6404H, VM3909H Video Wall Matrix Solution InfoComm 2018: ATEN Highlights VM6404H, VM3909H Video Wall Matrix Solution