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Huidu · Receiving card

HD-R708

Manufacturer: Huidu
Fully verified R7 Series Manufacturer class: Receiving Card

Receiving card with 8 on-board HUB75E ports, compatible with the R series receiving cards. It works with asynchronous sending cards, synchronous sending cards and all-in-one LED controllers.

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  • Setup supportFor Colorlight, NovaStar and Huidu systems we do the setup by connecting remotely with AnyDesk; call us about mounting.
  • Compatibility checkCompatibility with the other components is checked during configuration.
  • Order trackingShipping and installation status is tracked on your order page.

Key specifications

View Technical Details
Capacity
65.5 K px
Area
128×512
Data groups
16
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Best suited for

  • Driving a cabinet or module group of up to 128 × 512 pixels with a single card.

Key features (manufacturer)

  • 8 on-board HUB75E ports
  • Control range 128×512 pixels with conventional chips, 256×512 pixels with PWM chips
  • P1.667, P1.538 and P1.25 can all be fully loaded with 8 ports
  • Any scanning method from static to 1/128 scan
  • Two interchangeable 1Gbps Ethernet ports
  • Works with dual-mode sending boxes, asynchronous and synchronous sending cards and VP series video processors
  • Gray scale 256~65536
  • Power 5W

Capacity and loading area

The card receives data over the Ethernet chain and drives the module group inside this area. The cabinet/module load cannot exceed this area or the capacity of 65,536 px.This figure is for modules with conventional driver chips; the datasheet states 131,072 px for modules with PWM driver chips.

Technical specifications

Capacity and outputs

Loading capacity
65,536 px
Official loading area
128 × 512 px
Port speed
1 Gbps
Data groups
16
HUB interface
HUB75E ×8
Max. scan
1/128

Physical

Dimensions
107.40 × 91.50 (dimension drawing, unit not printed)
Weight
0.077 kg
Operating temperature
-40℃~80℃
Input voltage
DC 4.2V-5.5V
Power consumption
5W

Manufacturer-specific technical data

In the manufacturer's own wording (the original English terms are kept).

Capacity

Control range - conventional chip

128*512 pixels

Control range - PWM chip

256*512 pixels

Large range

P1.667, P1.538, P1.25 can all be fully loaded with 8 ports

Network

Gigabit Ethernet port

Used to connect the sending card or receiving card, the same two network ports are interchangeable

Communication distance

Super Cat5, Cat6 network cable within 80 meters

Interfaces

Port

5V DC Power*2, 1Gbps Ethernet port*2, HUB75E*8

Power interfaces

Two power interfaces, each can be accessed with 4.0V ~ 5.5V DC voltage

Control

With sending card

Dual-mode sending box, Asynchronous sending card, Synchronous sending card, Video processor of VP series

Compatibility
  • Compatible with R series receiving card
  • works with asynchronous sending card, synchronous sending card and all-in-one LED controller
Multi-card connection

Receiving card can be put in any sequence

Test functions

Receiving card integrated screen test function: tests display brightness uniformity and display module flatness

Display

Module type

Compatible with all common IC module, supported most PWM IC module

Scan mode

Supports any scanning method from static to 1/128 scan

Gray scale

256~65536

Electrical

Input voltage (Parameters table)

4.0V-5.5V

Rated voltage (Technical Parameters)

DC 4.2V-5.5V

Power

5W

Physical

Board outline (dimension drawing, unit not printed)

107.40 × 91.50

Net weight

0.077 kg

Working temperature / humidity

-40℃~80℃, 0~90%RH

Sources

Source note

maxLoadingPixels = 128×512 = 65,536, the control range printed for conventional chips; the PWM figure (256*512) is in specs. The document gives two voltage ranges: 4.0V-5.5V in the Parameters table and the interface description, DC 4.2V-5.5V in the Technical Parameters table; the narrower range is recorded in inputVoltage and both are kept in specs. The document does not state the number of RGB data groups, so dataGroups is null. Dimensions are read from the dimension drawing, which prints no unit. Not stated in this specification and kept from the earlier excerpt of the official product page (not verified against a document): dataGroups.

  1. HD-R716/R712/R708/R732/R3210 Official product page · From the search-index excerpt of the official page · 06.10.2026
  2. Shenzhen Huidu Technology Co., Ltd.—HD-R708/R712/R716/R732 Official product page · From the search-index excerpt of the official page · 06.10.2026
  3. PRODUCT SPECIFICATION Receiving Card HD-R708 V1.0 Official specification · V1.0 · Read directly · 07.10.2026
  4. Official product image — HD-R708 (PRODUCT SPECIFICATION Receiving Card HD-R708 V1.0) Official specification · V1.0 · Read directly · 07.10.2026

Dataset: 2026.10.12-1 · last verified: Oct 7, 2026

Interoperability between receiving cards and controllers from different manufacturers is not assumed without official documentation.

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System components from the same manufacturer. The solution designer calculates whether a specific pairing is technically suitable.

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A quote tailored to your projectHuidu HD-R708