Technical Surveillance Countermeasures (TSCM) have an essential role in maintaining security and confidentiality in today's technologically advanced world. Research Electronics International (REI), an American company established in 1983, specializes in the design and manufacturing of professional electronic equipment for counter-surveillance and security purposes. REI's products are trusted worldwide by a diverse clientele, including government institutions, law enforcement organizations, corporate security specialists, and Technical Surveillance Countermeasures (TSCM) professionals.

With over three decades of in-house manufacturing experience, REI's team of experts ensures meticulous design, manufacturing, and testing of each product, ensuring the highest quality.

Each device offers unique features tailored to meet various needs, from handheld portability in RF detection with the MESA 2.0 and ANDRE, to in-depth signal analysis with OSCOR Blue and Green, or the detection of powered off or passive devices with ORION NLJDs. 

Additionally, REI operates the largest commercial TSCM training facility globally, offering courses that train individuals in both basic and advanced counter-surveillance techniques​. 

For an overview of all products, check out our REI Product Portfolio Page.

What is TSCM, and why is it important?
Technical Surveillance Countermeasures (TSCM) refer to the practices and techniques used to detect and mitigate electronic eavesdropping and other forms of surveillance. In today's digitally-driven world, TSCM plays a crucial role in maintaining security and confidentiality, especially for sensitive information and high-profile individuals or organizations.

Who is Research Electronics International (REI)?
Research Electronics International (REI) is an American company founded in 1983, specializing in the design and manufacture of professional electronic equipment for counter-surveillance and security purposes. With over three decades of experience, REI has established itself as a trusted provider of TSCM solutions worldwide.

What types of products does REI offer?
REI offers a comprehensive range of TSCM products, categorized into RF Detection, Non-Linear Junction Detectors (NLJDs), Telephone Inspection, and Audio Security. Each product is meticulously designed and manufactured to meet the diverse needs of government institutions, law enforcement agencies, corporate security specialists, and TSCM professionals.

What are some notable features of REI's products?
REI's products are known for their advanced features and capabilities. For example, the MESA 2.0 and ANDRE offer handheld portability for RF detection, while the OSCOR Blue and Green provide in-depth signal analysis. The ORION NLJDs are designed to detect powered off or passive devices, ensuring thorough surveillance sweeps.

Does REI offer training in TSCM techniques?
Yes, REI operates the largest commercial TSCM training facility globally. They offer courses that cater to individuals interested in both basic and advanced counter-surveillance techniques. These training programs are conducted by experienced professionals and provide hands-on learning experiences to equip participants with the necessary skills and knowledge.

Where can I find more information about REI's product portfolio?
For an overview of all REI products, including detailed specifications and capabilities, you can visit the REI Product Portfolio Page on our official website. This page provides comprehensive information to help you choose the right TSCM solutions for your specific needs.