Standards Compliance & Certification

GRL’s Standards Compliance & Certification Services

Designing a “compliant” design has become more and more challenging as data rates escalate and designs and test setups and methodologies become ever more complex. GRL takes a leading role in enabling new and emerging technologies, working closely with early adopters, standards committees, and leading test equipment manufacturers to develop test methodologies and provide early test solutions. GRL stays at the forefront of these technologies and provide our customers with “insiders” know-how and hands-on expertise.

GRL offers Official Compliance Testing & Logo Certification for the following technologies:

  • Qualcomm Quick Charge
  • USB 2.0 & USB 3.x Hosts, Embedded Hosts, Hubs, Peripherals, and Silicon
  • USB Type-C and Type-A Cable Assemblies and Connectors
  • USB Power Delivery 3.0 Chargers and Silicon
  • HDMI 2.1 and 1.4b and HDCP 1.2 and 2.3* Sources, Sinks, Repeaters. HDMI Cables (1.4b and Premium) including 2.1 cables Pre-compliance and Connector qualification
  • HDMI 1.4b and Premium Cables, and 2.1 Cables and Connector Pre-compliance qualification
  • DisplayPort
  • Thunderbolt
  • Serial ATA (SATA)

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

GRL provides Independent Testing, Pre-Compliance, and Self-Certification supporting multiple high speed connectivity standards including:

  • PCI Express
  • SAS
  • DDR
  • MIPI
  • SD Card/UHS-II
  • Electrical and Optical characterization of IEEE 802.3 and OIF-CEI Networking & Backplane Standards up to 400G Ethernet including 56G/100G PAM4, Base-CX/KR/KX, and XAUI/CAUI/CAUI4/CDAUI/200GAUI; SFP28/QSFP28; CEI 25G+; and Infiniband.

For all of these technologies, GRL provides a range of compliance testing services including:

  • Electrical Compliance
  • Protocol/Link Layer
  • System/application level Functionality & Interoperability
  • Cable and Backplane VNA/TDR Characterization & Compliance

GRL’ Engineering Services are backed by a full suite of state-of-the art Test Equipment including High Speed scopes, BERT’s, AWG’s, VNA/TDR’s, Protocol exercisers & analyzers, and Interoperability test beds. We constantly invest in updating our equipment capabilities.

GRL’s test facilities are conveniently located in major hardware development centers around the world. Click here for a list of GRL’s worldwide locations.

“Beyond Compliance”

Often early designs do not pass compliance or certification testing. GRL provides deep engineering Debugging Support across multiple domains to help you quickly diagnose root cause and achieve compliance or certification and get your product out to market quickly and with confidence.

GRL also provides a range of services “Beyond Compliance” to stress test and discover the true performance of your design:


GRL Official Compliance Testing & Logo Program Certification Programs

GRL offers Official Compliance Testing & Logo Certification for the following technologies:

Technology Certification Test Areas
GRL Approved to Provide Compliance Test Services for Qualcomm Quick Charge 4.0.
GRL provides Qualcomm Quick Charge 4.0 compliance testing with support of new key features such as USB Power Delivery’s Programmable Power Supply (PPS). PPS enables fast, efficient charging by allowing the phone to intelligently decide the optimal voltage and current levels and effectively communicate with the charger. Qualcomm Quick Charge 4.0 also adds various safety enhancements and allows for cooler charging.For more information on Qualcomm Quick Charge Certification, please visit /qualcomm-quick-charge/
GRL offers deep USB expertise and works especially closely with the USB silicon ecosystem.
Cables and Connectors (A, C), Peripherals (devices), Hubs, Systems (Hosts), Power Delivery Chargers, and Silicon:

  • USB 3.2 & 2.0 Electricals
  • USB 3.2 & 2.0 CV/Functional
  • USB 3.2 & 2.0 & Interoperability and Backwards Compatibility
  • USB 3.2 Link Layer
  • USB 3.2 Protocol Stress Testing Tools & Services

USB Pre-Compliance test services are also available.

Login to register your product for USB certification testing here.

Click here to learn more about GRL’s latest USB Power Delivery and USB Type-C Test Solutions.

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

image013GRL is the leading contributing lab for DP compliance test development and works with all key players in the DP standard. DP 1.4 Sources, Sinks, Cables, Adapters, & Hubs:

  • Electricals at all rates (RBR, HBR, HBR2)
  • Link Layer & EDID
  • Interoperability
  • Multi-Stream (MST) and other optional DP features

DisplayPort over USB Type-C (DP Alt Mode) logo Certification testing services are also available.

GRL was the first certification lab in the world qualified by Intel Corp. and has been a key contributor to the development of the Thunderbolt ecosystem.
Thunderbolt 3 and earlier Devices (AV, Storage, and PCI Express Expansion) & HostsMac and Windows platforms

  • GRL performs all tests required for Thunderbolt certification & pre-certification. Contact GRL for more details.
GRL is the only SATA certification lab that is a member of the
LSI-SandForce Trusted Program.
SATA Gen3 Devices, Hosts, and Building Blocks:

  • Electricals (PHY/TSG/OOB, RSG, Rx/Tx)
  • Digital
  • Interoperability
  • Mechanical


GRL Independent Testing

GRL helps customers needing independent compliance test reports and lab measurements to assist them in selling their product and winning new business. GRL supports Independent testing, Pre-Compliance, and Self-Certification services supporting multiple high speed connectivity standards including:

Technology Compliance Test Areas & Services
GRL’s team has a deep history in PCIe supporting PCI-SIG committees, workshops, and adopters across the ecosystem.
PCIe 5.0, 4.0 and earlier Base (ASIC) and CEM (System) Specification Pre-Compliance & Characterization for IC’s, End Point (device), Root Complex (Host/System), Backplanes, and Connectors:

  • Transmitter & Receiver Electricals & Rx Jitter Margin
  • Tx Pre-emphasis Level Verification & RefClk Jitter
  • Return Loss/Insertion Loss
  • PLL Peaking and Bandwidth
  • Transaction & Link Layer (PTC)
  • Configuration Space (CV)
  • PCIe Protocol Layer Analysis, Debugging & Stress Testing

PCIe Logo Certification is available only at the PCI-SIG workshops. Work with GRL to ensure compliance before you attend the workshop, or debug compliance-related issues.

GRL offers deep DDR expertise and addresses probing and test setup challenges.
DDR 5/legacy Hosts & DIMMs, and Universal Flash Storage (UFS) designs:

  • JEDEC Signal Quality tests
  • DDR Functional and Custom tests
  • Test Methodology, Setup & Probing Consultation
  • Memory Bus Design Consultation & Validation
GRL is a member of the MIPI Alliance and offers deep test & design capabilities.
MIPI D-PHY, M-PHY, & C-PHY DSI, CSI, and DigRF designs:

  • Transmitter Electrical Conformance
  • Receiver Electrical Conformance
  • Test Methodology, Setup & Probing Consultation

GRL is an MHL Contributor offering deep expertise and a range of Self-Certification and Pre-Certification services.
MHL 2.0/3.0 Sources, Sinks, Repeaters, Cables, and Adapters:

  • Electrical Compliance
  • Protocol Compliance
  • MHL Control Bus (CBUS)
  • Interoperability

GRL offers full capabilities for MHL Self-Certification and Pre-Certification.

GRL is the leading contributing lab for flash memory interface transition to high speed serial.
UHS-II Hosts & Devices:

  • Transmitter Signal Quality
  • Receiver Jitter Tolerance
  • Impedance Matching
  • (available early 2014) UHS-II Protocol Test Tools & Services


GRL offers deep SAS expertise including challenging Receiver PHY Conformance.
SAS 4.0 (24G) and earlier Devices, Hosts, Expanders, Backplanes, and Cables:

  • Receiver & Transmitter PHY Conformance
  • Return Loss/Insertion Loss
  • SAS Digital Conformance & Stress Testing
  • Test Methodology & Setup Consultation
GRL offers deep expertise addressing PHY layer conformance for Networking & Backplane Technologies.
Electrical and Optical IEEE 802.3 including 10/40/100/400G Ethernet, 56G PAM4, Base-CX/KR/KX, and XAUI/XLAUI/CAUI-4; SFF 10/28G SFP/QSFP; and OIF-CEI 6G/11G/25G+:

  • GRL provides PHY Conformance & Characterization for SERDES/IC, Hosts, Backplanes, and Network Adapters