The invention relates to a system for non-invasive data acquisition from a human or animal body 7, comprising an antenna for irradiating a portion of the body, said antenna being connected to a source and a processor for collecting the data pursuant to the irradiation, wherein the antenna is a leaky wave antenna 1, 2, 3, 4 operable using a dielectric layer, the system being configurable so that the portion of the body 7 is at least partially used for the dielectric layer.
