A portable radiographic image capture device includes a radiographic image data generating means, a wired communication means that and performs wired communication with an image capture controller； a wireless communication means that performs wireless communication with a communication base station； a storing means that stores first wireless communication configuration data related to a first communication base station； and an update means that, when the image capture controller is wire-connected, acquires from the image capture controller second wireless communication configuration data related to a second communication base station with which the image capture controller performs wireless communication, and updates the first wireless communication configuration data with the acquired second wireless communication configuration data.
