HVT11 / HVT2011 transmission card and system specifications
The DBstar DBS-HVT11 (HVT2011) listing covers a sending card together with a broader LED control-system parameter table. It includes support for single-, dual- and full-color displays and named LED driver types.
The table separates sending-card loading from receiving-card capabilities and distinguishes typical values from maximum values. Refresh, optical-distance and direct-PC sending entries require the corresponding system configuration.
Technical specifications
| Parameter | Specification |
|---|---|
| Listed model | DBstar DBS-HVT11 (HVT2011) LED transmission / sending card |
| Screen types | Single-color, dual-color and full-color; real-pixel and virtual-pixel systems |
| Sending-card loading | 2048 × 640 pixels through dual ports, listed as a typical value |
| Receiver-chain limit | 256 receiving cards listed as the maximum cable-connected quantity |
| Receiving-card full-color loading | Typical 256 × 192; maximum 512 × 384 pixels in the original system table |
| Receiving-card dual-color loading | Typical 1024 × 512; maximum 1280 × 512 pixels in the original system table |
| Receiving-card RGB groups | Typical 16–24; maximum 24 |
| Lines per RGB group | 1/2/4/8/16/32 listed; maximum 32 |
| Grayscale / data clock | Typical 4,096 levels and 15.62 MHz; maximum 65,536 levels and 31.25 MHz |
| Refresh rate | Typical 180 Hz; above 3,600 Hz is listed with MBI5042 as a driver example, not as a universal setting |
| Brightness controls | 256 PWM adjustment levels with sensor-based automatic adjustment described; current-plus-brightness grades 64/256 depending on the driver |
| Pixel-level PWM correction area | Typical 64 × 64; maximum 256 × 256 pixels |
| Driver names in the source | MBI5026, MBI5030, MBI5036, MBI5039, MBI5042, MBI5050, MBI6024, LPD6803, DM413, DMX512, ZQL9726, TCD62D722 and TC62D766; confirm exact chip compatibility |
| Open/short-circuit detection area | Static: 2048 × 16; 1/2: 1024 × 16; 1/4: 2048 × 16; 1/8: 4096 × 16; 1/16: 8192 × 16, as listed for the system |
| Fiber transmission reference | 500 m multimode / 10 km single-mode in the system table; optical hardware and conditions are not identified |
| Other listed functions | Gradual power-on protection, OE-polarity switching protection and screen self-test |
| System mode without a sending card | The original table describes image sending from a PC with a Gigabit network card; exact software and receiver requirements are not supplied |
Frequently asked questions
What is the HVT11/HVT2011 sending-card resolution?
The original table lists 2048 × 640 pixels across dual ports as the typical sending-card value. Its larger receiving-card and system figures are separate entries and do not increase this sending-card rating.
Is MBI5039 included in the driver compatibility list?
Yes, MBI5039 appears in the original driver list alongside other named devices. Compatibility still depends on the receiving card, module wiring and configuration; the list alone does not confirm every implementation using that chip.
Will every display run above 3,600 Hz refresh?
No. The table gives 180 Hz as a typical value and lists above 3,600 Hz with MBI5042 as an example. Refresh performance depends on the driver and display configuration.
Does the card include 10 km optical transmission hardware?
The original system table lists 500 m multimode and 10 km single-mode fiber transmission, but it does not identify the required optical hardware or state that it is included. Confirm the complete optical link configuration.
Can I send content directly from a PC network card?
A system mode using a Gigabit PC network card is mentioned in the original table. The required software and receiver configuration are not identified, so confirm that mode before planning an installation without the sending card.








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