TAIPEI, August 5, 2022 — Allion Labs granted top IC manufacturer MediaTek Inc. the first DisplayPort UHBR Sink Certification. The newly certified product is the MediaTek Scalar IC, Model Number MT9810YGTJ/DG, which supports the newest UHBR specifications and was tested within a display. Additionally, this product passed the HDCP 2.3 specifications, becoming the world’s first product to pass the newest UHBR Certification tests. The test results have been submitted to both VESA and HDCP.

Figure 1: World’s First DisplayPort UHBR Sink Certified IC, MT9810YGTJ/DG

The MediaTek scalar IC adheres to UHBR and cable ID detection specifications, supported by the newest generation of Enhanced mDP connectors. Through professional equipment and debugging services, Allion recreated a complete simulation of all potential UHBR display issues. This helps manufacturers pinpoint potential issues early in the product life cycle, reducing time and labor costs spent obtaining certifications and accelerating time-to-market.

Figure 2: VESA’s New Generation Enhanced mDP connector

The test items are listed as follows:

  • DP40/DP80 Certified cable Compatibility Test
  • UHBR PHY Layer Test
  • UHBR Link Layer Test
  • UHBR FEC Test
  • UHBR Source Platform Compatibility Test.
  • EDID CTS 1.3
  • UHBR HDCP2.3 Test
  • Differential/Common Return Loss
  • DP 1.4A CTS

Allion is not only a VESA Authorized UHBR Test Center but also a trusted partner laboratory to the leading tech brands. Allion offers certification tests and consulting services for DisplayPort UHBR, AdaptiveSync, DisplayHDR, DisplayPort UHBR(DP40/DP80) Cable, and more.

If you have UHBR testing needs, please feel free to contact us directly at

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