While North Korea recently ranked second-to-last on Reporters Without Borders’ World Press Freedom Index, new ways of using digital radio broadcasting might prove a valuable tool for those who wish to increase information flows into and out of the country.

So-called software-defined radio (SDR) technology, brought into the country on USB devices, could be used for receiving and, potentially, sending data – text, audio and video files – on radio band frequencies.

SDR technology is a radio communications system where all components typically implemented via hardware for standard radios have been made into software. Loaded onto a