RFI Testing
Technical Guide

RFI Testing Procedures

Methodologies for testing and verifying RFI shielding effectiveness.

Testing Standards

RFI shielding testing follows established industry standards to ensure consistent, reliable measurements:

IEEE 299

Standard method for measuring shielding effectiveness

MIL-STD-461

EMC requirements for defense systems

ASTM E493

Testing shielding materials

ICD 705

SCIF construction requirements

Testing Process

1

Site Survey

Initial assessment of the facility and identification of test points

2

Equipment Setup

Calibration of measurement equipment and antenna placement

3

Measurement

RF signal transmission testing from outside to inside the shield

4

Analysis

Comparison of measurements against required attenuation levels

5

Documentation

Certification report generation with test results

Test Frequencies

Testing is performed across a range of frequencies based on application requirements:

10kHzto 1MHz
1MHzto 1GHz
1GHzto 18GHz
18GHzto 40GHz

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