Sonde de détection de courant: Frequency range: 9 kHz to 200 MHz Insertion loss: 34 dB ±2 dB (50 Ω system, 100 kHz to 120 MHz) typical ±1 dB, see also the graphs in the datasheet Insertion impedance : <1Ω RF connector: BNC Window diameter (aperture): 25.4 mm