Based on this product's specifications, here are some alternatives and similar models
LFD Display SHARP NEC E439 43 inch UHD 350 cd/m² D-Backlight
Summary description:
Professional LFD display SHARP NEC E439 with a 43-inch UHD panel and 350 cd/m² peak luminance. Designed for public signage, meeting rooms and digital information displays, it features D-Backlight technology for improved uniformity and image stability. Provides high-resolution 4K content playback, wide viewing angles and reliable continuous operation for commercial installations.