Huidu HD‑R5S is a compact full‑color receiving card specially designed for LED transparent screens and fine pixel pitch LED display systems. The model offers outstanding flexibility and stability for both synchronous and asynchronous control setups, compatible with mainstream sending cards and video processors. It integrates two 120PIN HUB ports providing 32 groups of parallel data or 64 groups of serial data output, ensuring strong signal transmission and wide module compatibility.
The recommended control load is 128×768 pixels (98,304 pixels), while a single card supports up to 256×512 pixels. It adopts gigabit Ethernet communication, reaching a stable transmission distance of up to 80 meters using Cat5e or Cat6 cables. Multi‑card cascade allows arbitrary ordering with nanosecond‑level synchronization, ideal for large display splicing.
HD‑R5S supports 256–65536 adjustable grayscale levels and all scan modes from static to 1/64, covering conventional chips and mainstream PWM chips. It features smart settings, data group exchange, offset configuration, and empty point settings for easy debugging. The card operates on 4V–6V voltage with low power consumption around 5W, delivering reliable performance in indoor and outdoor environments. Common applications include transparent LED displays, retail window screens, fine pitch advertising walls, stadium perimeter screens, and smart city signage systems.
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