News

  November 19, 2025
New SWARM MESA® IPMS

New SWARM MESA® Portable, In-Place RF Monitoring System Delivers Continuous Wireless Threat Detection Cookeville, Tennessee USA — November 18th, 2025 — Research Electronics International (REI) announces the release of SWARM MESA®, a new portable In-Place Monitoring System (IPMS) that...


Read More
  July 01, 2025
REI Breaks Ground on Building Expansion

Research Electronics International (REI), recently broke ground on a new building expansion.  Over the next year, REI will add a total of 36,000 ft² to increase engineering, production and Training Center operations. The company has grown steadily over the past 40+ years as a leading manufacturer....


Read More

Events

D.C. Demo    
Hilton Alexandria Old Town
9 June 2026

Eurosatory   
Stand D219
15-19 June 2026

NATIA    
Booth 538
26-30 July 2026

Interested in a career with REI?

View Open Positions

Research Electronics International

REI manufactures TSCM equipment for technical security applications. REI equipment detects electronic eavesdropping and illicit surveillance devices to protect your organization from information theft. REI provides the tools necessary for corporate, commercial, law enforcement, military, and government technical surveillance countermeasure (TSCM) operations.