RF electromagnetic fields frequently degrade the performance of electronic equipment by generating common mode currents on cables. The effect of these E and H fields on the equipment can be reproduced by injecting common mode currents onto the cables of the equipment being tested for RF immunity. IEC 61000-4-6 defines the methods for testing the immunity of electronic equipment to conducted common mode currents between 150kHz and 230MHz. The Fischer Custom Communications F-120615-1006-1 EM Injection Clamp is a high efficiency broadband fixed aperture injection device developed to test the immunity of electronic equipment when the standard IEC 61000-4-6 CDN using the direct capacitive coupling technique is not possible nor appropriate.