The CDN-M3-16A is a Coupling Decoupling Network for conducted immunity testing according to IEC 61000-4-6. The CDN-M3-16A is compliant with IEC 61000-4-6 Annex D2 and is designed to inject common mode disturbance signals in the frequency range from 150 kHz to 230 MHz into unscreened AC and DC power supply lines.