Electromagnetic Shielding Effectiveness Testing (IEEE-299 Standard)
The IEEE-299 Standard defines uniform measurement procedures and techniques for determining the electromagnetic shielding effectiveness of enclosures at frequencies ranging from 9 kHz to 18 GHz (extendable from 50 Hz up to 100 GHz) with linear dimensions greater than or equal to 2 meters.
The enclosures covered include single-shield and double-shield structures of various construction types—such as bolted demountable, welded, or building-integral installations—manufactured using materials like steel plate, copper or aluminum sheet, screening, hardware cloth, metal foil, and specialized shielding fabrics.
EMCTEST Technologies is a leading accredited test laboratory in Italy and Europe for electromagnetic shielding effectiveness testing. Leveraging cutting-edge instrumentation and specialized RF expertise, we perform measurements from 10 kHz up to 110 GHz on materials, components, and enclosures across critical sectors: industrial, telecommunications, medical, military, automotive, railway, marine, aerospace, scientific, governmental, and civil applications.
Typical Test Frequencies for Shielding Evaluation
- Low Frequency (LF): 10 kHz, 100 kHz, 500 kHz, 1 MHz
- Intermediate / Mid Frequency: 10 MHz, 30 MHz, 100 MHz, 433 MHz, 700 MHz, 800 MHz, 900 MHz
- High Frequency (RF & Microwave): 1 GHz, 1.5 GHz, 2.4 GHz (ISM band), 3 GHz, 5 GHz, 5.8 GHz, 6 GHz, 10 GHz
- Very High Frequency: 17 GHz, 18 GHz, 24 GHz (ISM bands), 26.5 GHz, 30 GHz, 35 GHz, 40 GHz, 50 GHz, 60 GHz (wireless communications and radar systems)
- Millimeter Wave (mmWave): 75 GHz, 77 GHz (automotive radar systems), 94 GHz, 100 GHz, 110 GHz
Our test laboratory is fully equipped to perform certified shielding effectiveness measurements up to 110 GHz.
Learn more about our testing capabilities on our shielding effectiveness test services page, or contact our laboratory for a technical quote or testing consultation.
