RS232 Port, USB Port, 2:3 Pulldown, Closed Captioning, Blackboard Mode, Wired Networking, Wireless Networking, DICOM, Crestron RoomView™
Comments: The Hybrid Filter lasts longer than conventional filters. This extension in maintenance intervals reduces the overall cost of ownership significantly. - See more at: http://www.hitachidigitalmedia.com/product.do?actionName=showProductAction&pt=6&pg=72&proid=823&language=en&country=EU#sthash.iWPTiV6T.dpuf
The Hitachi CP-X4022WN is manufactured by Hitachi.