Digital Barriers USA (formerly known as Brimtek) is a company that provides technical surveillance solutions. It offers concept design, engineering, manufacturing, integration, delivery, training, and ongoing solution support. The company delivers a wide range of audio surveillance devices from transmitters, receivers and recorders, to communications intercept and voice recognition, custom weatherproof battery backs, remote-controlled battery packs, adapter kits, custom cable harnesses, etc. Digital Barriers USA caters to the US defense, homeland security, federal law enforcement, and intelligence communities.