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Electromagnetic compatibility (EMC) is divided into electromagnetic interference (EMI) and electromagnetic tolerance (EMS). All electronic products must comply with the general regulations of electromagnetic compatibility.

Electromagnetic compatibility issues are constantly being introduced by high-tech technologies in electronics, motors, information, communications, and other products. In addition to user requirements for communication quality, they are also actively regulated by relevant governments in various countries to control, which also highlights electromagnetic compatibility. The importance and urgency of related issues. For example, Europe has stepped up post-market inspections of imported products, resulting in many customs clearances.

    EMC: (Electromagnetic compatibility)
    EMI: (Electromagnetic interference) electromagnetic interference
    EMS: (Electromagnetic Susceptibility) electromagnetic sensitivity
    RE: (Radiated emission) radiation harassment (commonly known as: electromagnetic radiation, radiated emission)
    CE: (Conducted emission) Conducted harassment (commonly known as: conducted emission)
    CS: (Conducted Susceptibility) Conducted disturbance immunity
    RS: (Radiated Susceptibility) RF electromagnetic field radiation immunity
    ESD: (Electrostatic discharge)
    EFT / Burst: (Electrical fast transient burst) Electrical fast transient burst
    RFI: (Radio Frequency Interference) radio frequency interference
    ISM: (Industrial Scientific Medical) RF equipment for industrial, scientific and medical use

Chinese test standards:
    CISPR15: 2005 Limits and measurement methods for radio disturbance characteristics of electrical lighting and similar equipment
    GB / T19287 General requirements for immunity of telecommunication equipment
    YD / T1536.1 Electromagnetic information security requirements and measurement methods of telecommunication equipment
    YD / T1312 electromagnetic compatibility requirements and measurement methods for wireless communication equipment
    GB1565 City Radio Noise Measurement Method
    GB6833 Electromagnetic Compatibility Test Specification for Electronic Measuring Instruments
    GB / T17626 EMC test and measurement technology
    GB / T12572-2008 General requirements and measurement methods of radio transmitting equipment parameters
    GB / T26256-20102.4GHz band radio communication equipment mutual interference limitation and coexistence requirements and test methods
    GB / T21646-2008 400MHz frequency band analog public wireless intercom technical specifications and measurement methods
    GB8702-1988 Regulations for Electromagnetic Radiation Protection
    GB9175-88 Environmental electromagnetic health standard
    GB12638-90 Microwave and ultrashort wave communication equipment radiation safety requirements

Foreign test standards
    EN55014-1 electromagnetic interference
    EN55014-2 electromagnetic immunity
    EN60555-2 / EN61000-3-2 power harmonic detection
    EN60555-3 / EN61000-3-3 voltage flicker detection
    EN61000-4-2 (ESD) electrostatic discharge anti-interference detection
    EN61000-4-3 Electrostatic discharge anti-interference detection
    EN61000-4-4 (EFT / B) electrical fast burst anti-jamming detection
    EN61000-4-5 (Surge) Lightning strike anti-interference detection
    EN61000-4-6 (CS) conducted anti-interference detection
    EN61000-4-8 Power frequency magnetic field anti-interference detection
    EN61000-4-11 (V.Dips) voltage transient anti-interference detection
    EN61000-4-12 oscillating wave surge
    EN61000-4-13 (Harmonic & interharmonics) Harmonic and interharmonic anti-interference
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