Among other things, a data communication system wirelessly transmits data between a stator and a movable unit (e.g., a rotor) as part of a computed tomography (CT) imaging modality. The data communication system includes a first magnetic portion including a first magnetic material. The first magnetic portion extends along a first axis. The data communication system includes a first conductive portion including an electrically conductive material. The first conductive portion is at least partially surrounded by the first magnetic portion. The first conductive portion extends along a second axis that is substantially parallel to the first axis. The first conductive portion will at least one of generate an electromagnetic field corresponding to data to be transmitted, or have induced therein a current based upon a received electromagnetic field, where the current is a function of the data to be transmitted.
