CEDIA Expo 2021: Screen Innovations Introduces TRO.Y Expandable IP Control Gateway September 8, 2021 | Home / September 8, 2021 rave-video / CEDIA Expo 2021: Screen Innovations Introduces TRO.Y Expandable IP Control Gateway CEDIA Expo 2021: Screen Innovations Introduces TRO.Y Expandable IP Control Gateway