F-120-5 can be used for low frequency susceptibility testing. The probe has a usable frequency range of 10 KHz - 150 MHz with a typical insertion loss of less than 10 dB between 800 KHz and 15 MHz. Equipped with a large internal diameter of 2.63" (67 mm), the F-120-5 can accomodate very large cable looms. The probe has a 100 watt input power rating.