Unusual radio technologies

The history of covert communications is filled with clever, sometimes deceptively simple, sometimes mind-bendingly sophisticated inventions. In our earlier article on SRAC – Short Range Agent Communications – we explored how, during the Cold War, spies used pocket-sized transmitters to send bursts of encrypted data in under two seconds, avoiding the deadly game of radio…

Espionage has never truly been about glamorous chases, exploding gadgets, or tuxedoed secret agents. The reality is far more understated — and far more dangerous. It’s about invisible duels between intelligence officers and their adversaries, about moving information quietly through hostile territory without leaving a trace. For an agent working deep under cover in an…