High Voltage Active Differential Probe 100MHz, 20:1 / 200:1. Bandwidth: 100 MHz Attenuation: 20x, 200x Differential Voltage: 200x: +/- 640 V 20x: +/- 64 V Common mode voltage: +/- 640 V Max. input voltage (to ground): 450 V CAT I, 300 V CAT II Differential input impedance: 5 Mohms, 2 pF CMRR: DC: >80 dB 100 kHz: >60 dB 3.2 MHz: >40 dB 50 MHz: >30 dB Cable length: 1.8 m