Emissions, the iPhone and iPod touch application, allows you to decode and encode International Telecommunications Union (ITU) designations of emissions. These 7-character designators are used throughout the world to classify and identify the basic characteristics of radio emissions.

Emissions is useful for anyone dealing with radio emissions, including regulatory agency (FSS, NTIA, ITU) workers, telecommunications consultants, telecommunications lawyers, amateur radio operators (hams), wireless telecommunications workers and others.