About CTSi

CTSi was established in 2005 with its headquarters located in Taichung, and has service locations around the world. We specialize in providing professional field testing services. Over the years, we have been dedicated to delivering high-quality testing solutions to mobile device manufacturers and telecommunications operators. With our efficient and highly skilled team, we have built a strong reputation in the industry and continue to create optimal value for our clients.

About CTSi

CTSi

Mobile Communication Devices / IoT / In-Vehicle Systems / Testing Experts

With over a decade of technical expertise and hands-on experience, our services cover:

Cellular network technology validation

5G and IoT testing

GCF CC Field Trial certification reports

On-site mobile communication performance evaluation (Field Trials)

Connected Car applications


Corporate Qualifications

CTSi Tech holds multiple international certifications, providing the most professional and reliable testing services. We are committed to enhancing quality, technical standards, and industry trust.

GCF Certified Laboratory

As an officially recognized RTO (Recognized Test Organization) member of the Global Certification Forum (GCF), we are authorized to issue internationally certified test reports.

ISO/IEC 17025 Testing Standards

Our laboratory is certified by TAF and complies with the ISO/IEC 17025 international standard (Certification No. 2780), ensuring the credibility of our test results. We are also ISO 9001 certified for quality management, guaranteeing that our testing services meet the highest standards of quality.

Connected Car and In-Vehicle System Testing

We specialize in testing and validating Connected Car technologies and in-vehicle communication systems, ensuring high compatibility with mobile networks.

Collaboration with International Telecom Operators

Recognized by global telecom operators such as China Mobile and Orange France, we provide trusted field testing and validation services worldwide.