Open frame display controller -- Wanlin AndroidSBC, 12-year Chinese video wall Android motherboard and multi-screen signage player manufacturer, WL-VW700 (7 HDMI Output Multi-Screen Video Wall Signage Box) certified CE/FCC/RoHS. RK3588 + 7x HDMI 2.1a Output + 4K@60fps Per Screen + Split-Screen + PiP + Content Sync + 8. MOQ from 50 units, OEM/ODM from 500 uni···