The F-220609-1008-1 from Fischer Custom Communications is a Bulk Current Injection (BCI) Probe designed to extend the use of conducted immunity testing over the bandwidth of 10 kHz &ndash 400 MHz. It has a Differential Mode (single conductor) of 100 A and a Common Mode (total cable bundle) of 500 A. This BCI measures 40 x 127 x 134 mm (Inner Diameter X Outer Diameter X Height). It can be used at the 300 mA level for 8 hours or 600 mA for 4 hours without over-heating.