Tests & Standards

Type of test

Specification/Documents

Normalized Site Insertion Loss (NISL)
Frequency Range: 9 kHz – 30 MHz
Test Distance: 3-meter, 10-meter
CISPR 16-1-4, Ed. 4.2 (2023-04)
Normalized Site Attenuation (NSA)
Test Distance: 3-meter, 10 Meter
Frequency Range: 30 MHz – 1 GHz

ANSI C63.4a (2017)
CISPR 16-1-4, Ed. 4.2 (2023-04)


Reference Site Method (RSM)
Test Distance: 3-meter, 5-meter, 10-meter
Frequency Range: 30 MHz – 1 GHz

CISPR 16-1-4, Ed. 4.2 (2023-04)


Fully Anechoic Room Reference Site Method (FAR RSM)
Test Distance: 3-meter
Frequency Range: 30 MHz – 1 GHz

CISPR 16-1-4, Ed. 4.2 (2023-04)


Site VSWR (sVSWR)
Test Distance: 3-meter (typical), 5-meter
Frequency Range: 1 GHz – 18 GHz
CISPR 16-1-4, ED. 4.2 (2023-04)

Set-up Table Influences (TI)
Frequency Range:  200 MHz – 18 GHz

CISPR 16-1-4, ED. 4.2 (2020-04)

Field of Uniformity (FU)
Frequency Range: 80 MHz – 18 GHz

IEC 6100-4-3, ED 4.0 (2020-09)
IEC 61000-4-21 (2011)

Voltage Standing Wave Ratio
(VSWR/Free Space)

Frequency Range:  500 MHz – 100 GHz

IEEE Standard 149 (2021)

Radio Frequency Shielding Effectiveness (RF, SE)
Frequency Range: 1 kHz – 110 GHz

IEEE Standard 299 (2006)
EN-50147-1 (1997)
NSA 94-106 (1994-10)
MIL-STD-188-125-1 Appendix A
MIL-STD-188-125-2 Appendix A

CISPR 25 ALSE Longwire (LW)
Frequency Range:  150 kHz – 1 GHz

CISPR 25, Ed. 5.0 (2021-12), Annex I

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