There is provided an electronic device. The electronic device includes: a wiring board; a first electronic component mounted on the wiring board and configured to emit an electromagnetic wave having a first frequency band; a second electronic component mounted on the wiring board and configured to emit an electromagnetic wave having a second frequency band; a first magnetic thin film covering the wiring board, the first electronic component and the second electronic component, wherein the first magnetic thin film has a composition corresponding to the first frequency band; and a second magnetic thin film covering the first magnetic thin film, wherein the second magnetic thin film has a composition corresponding to the second frequency band.