A method of setting a Radiofrequency, RF, signal level in a RF receiver comprising: estimating an error of the signal level due to signal level reaching a condition of jamming or clipping by correlating the signal level with a point of a characterization curve of jamming condition or with a point of a characterization curve of clipping condition (300), respectively; correcting the RF signal level based on the error; and, wherein: each of the characterization curves comprises a plurality of points comprising first points determined in a previously performed characterization at a point of measurement and groups of second points stepped between pairs of adjacent first points, said plurality of first points including at least three points defining at least two sections of the characterization curve.