Overview of ETS-Lindgren: ETS-Lindgren is a leader in over-the-air (OTA) performance testing for wireless devices, having developed significant intellectual property in this field. They were the first CTIA Authorized Test Lab (CATL) for mobile station OTA performance testing and have designed and built a majority of CTIA OTA labs worldwide.

Key Contributions and Facilities: ETS-Lindgren is a contributing member of several industry groups, including CTIA ERP, WiMAX Forum, WIFI Alliance, 3GPP, and LTE. Their facilities in the US, Finland, and China comply with ISO 9001 quality standards.

Testing Solutions: ETS-Lindgren offers a range of OTA test solutions, including various scan methods and test components. Their systems are designed for flexibility and can be customized to meet specific customer needs. They provide solutions for the entire product cycle, from design and validation to final approval.

System Information: The document details several antenna measurement systems, including the AMS-8900, AMS-8800, AMS-8700, AMS-8600, AMS-8500, and AMS-8050. Each system is designed for specific testing needs, such as multi-antenna distributed axis testing, theta arm distributed axis testing, MIMO OTA testing, and more. These systems support a wide frequency range and are suitable for various wireless technologies.

Component Solutions: ETS-Lindgren provides a variety of components for OTA testing, including measurement antennas, absorbers, shielding, and specialized mounts. Their EMQuest software supports testing to a comprehensive list of standards, offering flexibility in testing methods and instrumentation.

Global Presence and Support: ETS-Lindgren has a global presence with offices in the Americas, Europe, and Asia, providing local support and services. They offer a range of services, including system design, project management, training, and lab services.

Contact Information: The document provides contact details for ETS-Lindgren's offices in various countries, including the US, UK, Singapore, Japan, China, Finland, France, India, and Taiwan.