Mobile phone interference sound that occurs with old mobile phone models. New models don't have this kind of interference.
Recording provided by Danilo Crnogorac.
This is part of the Obsolete Sounds project, the world’s biggest collection of disappearing sounds and sounds that have become extinct – remixed and reimagined to create a brand new form of listening. Explore the whole project at https://citiesandmemory.com/obsolete-sounds
