CISPR 11-1 / GB 4824（发射）

Industrial, scientific and medical equipment - RF disturbance - Part 1: Emission limits

📅 Issue date：2015 🔄 Effective date：2015 🌍 Type：国际标准 / 国家标准对应

📑 Table of Contents

1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements

01 Scope

CISPR 11-1 (the emission part of CISPR 11) specifies RF disturbance emission limits for ISM equipment and domestic RF appliances, managed by group (1/2) and class (A/B). GB 4824-2019 is modified-adopted.

02 Normative references

CISPR 16-1-x / 16-2-x
CISPR 11:2015
GB 4824-2019

03 Terms and definitions

ISM equipment

Industrial, scientific and medical RF equipment.

Group 1 / Group 2

Group 1 unintentionally generates RF; Group 2 intentionally generates RF.

Class A / Class B

Class A industrial; Class B domestic (stricter).

04 Technical requirements

Conducted

Mains-terminal limits 150 kHz~30 MHz by group/class (Class B stricter).

Radiated

Limits 30 MHz~1 GHz (and above) by group/class and distance.

📎 Related standards

Disclaimer：This page is a technical summary of the corresponding standard for quick reference. All limits, clauses and methods are subject to the official publication and its latest amendments; formal compliance assessment must refer to the official issued text.