HD-T901S DVI synchronous LED sending card
The Huidu HD-T901S receives a DVI video signal and sends display data through two Gigabit RJ45 outputs. The existing product information lists a general capacity of 1.3 million pixels, with supported resolutions that vary between 60 Hz and 30 Hz modes.
Match resolution, scan type and card configuration
The card is listed for static through 1/64 scan and indoor or outdoor full-color and single-color modules using PWM or conventional driver chips. Serial cascading supports configuration of multiple sending cards and higher-resolution screen systems.
Use the frame-rate-specific modes below when checking screen compatibility. The maximum width of 3840 pixels and height of 2048 pixels are independent limits, not a supported 3840 × 2048 canvas.
HD-T901S parameter reference
| Product type | DVI synchronous LED sending card |
|---|---|
| Listed general capacity | 1.3 million pixels; maximum width 3840 pixels or height 2048 pixels, depending on the resolution and frame-rate mode |
| Module types | Indoor and outdoor full-color and single-color modules; PWM and conventional driver chips as listed |
| Scan support | Static to 1/64 scan |
| Grayscale | 0–65,536 levels adjustable, as stated in the existing parameter table |
| Video / control connections | 1 × DVI; 1 × USB 2.0; serial cascade input and output |
| Other listed connections | 5 V power terminal; PCI edge connector; 1 audio connection |
| LED outputs | 2 × 1000M RJ45 |
| Operating temperature | −20 to 80°C |
| Power | 5 W |
Listed resolution modes
| Frame rate | Resolution examples from the original parameter table |
|---|---|
| 60 Hz | 1280 × 1024; 1024 × 1200; 1600 × 730; 1920 × 640; 2048 × 640; 3840 × 340; 512 × 2048 |
| 30 Hz | 2048 × 1024; 1600 × 1170; 1920 × 1024; 3840 × 546; 1024 × 2048 |
These values are retained from the existing HD-T901S product information. A model-specific downloadable specification was not linked on the original page. Confirm the exact hardware and supported mode before using a maximum-load configuration.

Frequently asked questions
What video signal does the HD-T901S use?
The listed input is DVI for synchronous display. Connect the source through DVI and configure the LED system for a supported resolution and frame rate. The USB connection is listed separately as an interface, not as USB-drive video playback.
Does the 1.3 million-pixel figure apply to every frame rate?
The original product information lists 1.3 million pixels as its general capacity, but also lists different 60 Hz and 30 Hz modes. Use the exact mode table when checking a screen; do not combine the maximum width and height into one unsupported canvas.
Which scan types and LED modules are listed as supported?
The product information lists static through 1/64 scan, indoor and outdoor full-color and single-color modules, and PWM or conventional driver chips. Confirm the receiving-card configuration and module driver details for the installation.
Can multiple T901S sending cards be cascaded?
Yes. The existing feature list describes serial cascading for configuring multiple sending cards and combining cards for higher-resolution screens. Plan the source resolution and card mapping for the complete system before installation.


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