Disclosed is a device for nuclear magnetic resonance examination of intracorporal sections of a person's body, the device having a coil arrangement which can be placed in immediate vicinity of an intracorporal section of the body which a stationary magnetic polarization field B.sub.0 and a radio-frequency alternating field penetrate. A coil arrangement is integrated in an encapsulated, self-sufficient unit having a shape and size that a person is able to swallow it and a transmitter unit, is connected to the coil arrangement which transmits induction signals coming from the coil arrangement wirelessly to an extracorporal receiving unit, which is integrated in the encapsulated self-sufficient unit.