Research Electronics International

We are manufacturers of electronic interference detection equipment hand-crafted in the United States intended for commercial security applications.

What’s New

  March 07, 2017
New Hand-Held ANDRE Quickly Detects Transmitters

Research Electronics International is pleased to announce the ANDRE™ Advanced Near-field Detection...  View Post

  March 06, 2017
Are You Being Overheard?

The Threat: Arguably one of the biggest threats of confidential conversations leaving a room or area...  View Post

  March 03, 2017
Spectrum Analyzer Sweep Speed

One of the most common specifications for comparing spectrum analyzers is sweep speed. It is important...  View Post

Upcoming Events


REI is hosting a free Business Intelligence Protection Seminar in Nevada. Click here to register.

REI and Precision Technologies will be at Milipol Asia-Pacific in Singapore from April 4-6. Visit us at Booth 1730!

REI will be at ISC West, the largest security industry trade show in the U.S., taking place April 5-7 in Las Vegas. Visit us at Booth 19124!

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