Why EMI protection? Amanda Kole / Friday, August 19, 2016 0 19691 Article rating: 4.1 Electromagnetic Interference (EMI), also known as radio-frequency interference (RFI), occurs when the radio-frequency of an electronic circuit interferes with another electronic device nearby. These waves of disturbances can be caused by carriers of electronic currents like avionics equipment, computers, radios, thunder storms, televisions and cellphones to name a few. With the growing number of electronics on-board modern aircraft, it is of utmost importance to take every precaution to prevent and/or minimize the chance of EMI/RFI occurring. EMI/RFI has the potential to cause loss of connectivity, obstruction to cockpit radios and... Read more