Marshall Electronics V-MD503-3GSDI is a triple 2RU 5" high resolution rack mount monitor. Featuring three independent 5" LCD panels with 800 x 480 resolution and 300 cd/m² brightness, it provides excellent viewing angles (85° x 85°). The unit includes three integrated 3G-SDI modules with loop-through capability. Technical features encompass Status Display, False Color Filter, Markers, Freeze Function, Color Temperature Presets (D65, D55, D93), RGB Gain/Bias Adjust, Pixel-to-Pixel mapping, Blue Gun mode, and Hard Tally. Designed for broadcast applications, it supports video formats including 1080p/1080i/720p/625i/525i. The modular design allows for future input/output upgrades while maintaining signal integrity with re-clocking and reshaping capabilities.