An attenuation measurement device , comprising: a detector unit having a coupling capacitance , and an input capacitance , wherein the detector is configured to produce a detector output signal (112a,b) in response to an input signal received at at least one of the coupling capacitance and the input capacitance ; a test unit , coupled to the detector unit , and configured to provide a test signal with at least one known signal property as a first input signal to the coupling capacitance ; characterized in that the detector output signal is a direct current, DC, detector output signal and in that the attenuation measurement device further comprises: a calibration unit , coupled to the detector unit , and configured to provide a calibration signal as a second input signal to the input capacitance , wherein the calibration signal is a DC calibration signal; and a control unit configured to determine a first detector output signal produced by the detector in response to the test signal , identify a specific calibration signal that yields a second detector output signal that is comparable to the first detector output signal , and derive a capacitance-indicative information based on the identified specific calibration signal . a detector unit having a coupling capacitance , and an input capacitance , wherein the detector is configured to produce a detector output signal (112a,b) in response to an input signal received at at least one of the coupling capacitance and the input capacitance ; a coupling capacitance , and an input capacitance , wherein the detector is configured to produce a detector output signal (112a,b) in response to an input signal received at at least one of the coupling capacitance and the input capacitance ; a test unit , coupled to the detector unit , and configured to provide a test signal with at least one known signal property as a first input signal to the coupling capacitance ; characterized in that the detector output signal is a direct current, DC, detector output signal and in that the attenuation measurement device further comprises: a calibration unit , coupled to the detector unit , and configured to provide a calibration signal as a second input signal to the input capacitance , wherein the calibration signal is a DC calibration signal; and a control unit configured to determine a first detector output signal produced by the detector in response to the test signal , identify a specific calibration signal that yields a second detector output signal that is comparable to the first detector output signal , and derive a capacitance-indicative information based on the identified specific calibration signal . a calibration unit , coupled to the detector unit , and configured to provide a calibration signal as a second input signal to the input capacitance , wherein the calibration signal is a DC calibration signal; and a control unit configured to determine a first detector output signal produced by the detector in response to the test signal , identify a specific calibration signal that yields a second detector output signal that is comparable to the first detector output signal , and derive a capacitance-indicative information based on the identified specific calibration signal . determine a first detector output signal produced by the detector in response to the test signal , identify a specific calibration signal that yields a second detector output signal that is comparable to the first detector output signal , and derive a capacitance-indicative information based on the identified specific calibration signal . <EOS>