HDMI Official Compliance Testing & Logo Certification Programs

GRL is an Authorized Test Center (ATC) by HDMI Forum that provides a range of HDMI test services, including HDMI 2.1 FRL, HDMI 2.1 TMDS, HDMI 1.4b, and HDCP 1.2 & 2.2 for sources, sinks, repeaters, and cables…


GRL is a member of the HDMI Forum and offers deep expertise and a range of Certification, Pre-Certification and debugging services.

HDMI 2.1 & 1.4b, HDCP 1.2 & 2.2 for Sources, Sinks, Repeaters, Cables, and Adapters:

  • Electrical Compliance and Protocol Compliance
  • Interoperability (not required for certification)
  • 4K2K, 3D, and other optional HDMI features


Please visit the GRL-Philips HDMI ATCs page for more information and ordering instructions.