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Database: 365,228(8 Aug 2026)

RF frequency

RF frequency, Total:305 items.

The international standard classification for "RF frequency" includes: Special measuring equipment for use in telecommunications , Receiving and transmitting equipment , Electricity. Magnetism. General aspects , Radio receivers , Electronic components in general , Electricity. Magnetism. Electrical and magnetic measurements , Electrical engineering in general , Aircraft and space vehicles in general , Measurement of electrical and magnetic quantities , Metrology and measurement in general .

The Chinese standard classification for "RF frequency" includes: Time and Frequency Measurement , Radio Measurement , Physiotherapy and TCM instrument and equipment , Technical Management , Broadcasting and television transmission and receiving equipment , Basic standards and general methods , Wave guide coaxial component and accessory , Basic standards and general methods , Monitoring instrument , Basic standards and general methods , Geophysical search equipment , Earth science instrument , Electrical logging simulation indicating instrument , Industrial automation and control device in general .


National Metrological Verification Regulations of the People's Republic of China

Professional Standard - Medicine

  • YY 0650-2008 Gynecological Radio Frequency Therapy Instrument

Group Standards of the People's Republic of China

  • T/QGCML 903-2023 Anti-interference components used in radio frequency instruments
  • T/CIET 355-2024 Household radio frequency beauty instrument
  • T/CS 011-2024 Pulsed Electromagnetic Field (PEMF) Radiofrequency Therapy Device
  • T/GDCA 018-2023 General principles of facial mask for radiofrequency appliance

Professional Standard - Electron

  • SJ 20732-1999 General specification for radio frequency power amplifier mobile communication
  • SJ 20495-1995 Test methods for RF network analyzer(system)
  • SJ 373-1973 Measurement of frequency pulling of reflex klystrons
  • SJ 20494-1995 General specification for RF network analyzer(system)
  • SJ 379-1973 Measurement of frequency drift of reflex klystrons
  • SJ 20877-2003 General specification for military RF power amplifier
  • SJ 20250-1993 Verification reguation of model HP8590A RF spectrum analyzers
  • SJ/Z 9030-1987 Non-ionizing radiation hazard in frequency range of 10 -- 300,000 MHz
  • SJ 369-1973 Measurement of oscillation frequency of reflex klystrons

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Petroleum

Professional Standard - Aerospace

National Metrological Technical Specifications of the People's Republic of China

  • JJF 1843-2020 Calibration Specification for SAR testing systems
  • JJF 1885-2020 Calibration Specification for RF and Microwave Power Meters
  • JJF 1127-2004 Calibration Specification for RF impedance/Meterial Analyzers
  • JJF 1065-2000 Calibration Specification for RF Communication Test Set
  • JJF 1710-2018 Calibration Specification for Frequency Response Analyzers
  • JJF(电子) 22-1982 Verification method of BT-3 frequency characteristic tester
  • JJF 1887-2020 Calibration Specification for RF & Microwave Power Sensors
  • JJF 1602-2016 Calibration Specification for Radio Frequency Identification Testers
  • JJF 1401-2013 Calibration Specification for Vibrating Wire Frequency Readouts
  • JJF 1678-2017 Calibration Specification for RF & Microwave Power Amplifiers

Professional Standard - Coal

  • MT 471-1996 General Technical Specifications for Frequency Sounding Instrument
  • MT/T 471-1996 General technical conditions for frequency sounder

Professional Standard - Geology

  • DZ 0020.3-1991 General technical conditions for intensification-polarization instrument - intensification-polarization instrument

Military Standard of the People's Republic of China-General Armament Department

  • GJB 1661-1993 General specifications for intermediate frequency, radio frequency and frequency identification transformers
  • GJB 5958-2007 General specifIcation for the interrupting frequency monitor of battleneld communication frequency management system
  • GJB/J 3413-1998 Radio frequency medium power meter calibration procedures
  • GJB 8805-2015 Calibration procedures for wideband spectrum analyzers
  • GJB 7084-2010 General specification for RF solid state power amplifier model
  • GJB 8263-2014 General specification for radio frequency power fixed resistors

Association Standards-Automatic Identification Manufacture Association of China

  • AIMC 0005-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency at 2.45 GHz
  • AIMC 0007-2006 General Technical specifications for Radio Frequency Identification Readers. Frequency at 433MHz
  • AIMC 0003-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency lower than 135kHz
  • AIMC 0006-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency at 860~960 MHz
  • AIMC 0004-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency at 13.56 MHz

Taiwan Provincial Standard of the People's Republic of China

  • CNS 8664-1982 Graphic Symbols for Frequencies, Bands, Modulation and Frequency Diagrams

Jiangsu Provincial Standard of the People's Republic of China

  • DB32/T 3415-2018 Test method for minimum activation power of UHF radio frequency identification tags

Professional Standard - Machinery

  • JB/T 6815-1993 DDZ-Ⅱ series electric unit combination meter frequency converter
  • JB/T 9284-1999 Frequency meters
  • JB/T 9233.21-1999 General methods of testing the performance of industrial process measurement and control instruments Frequency response

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

Professional Standard - Ferrous Metallurgy

  • YB/T 162-2012 Verification Regulation of Dynamical Resistance Strain Gauge Indicator for Low Frequency Response
  • YB/T 162-1999 Verification regulation of dynamical resistance strain gauge indicator for low frequency response

International Telecommunication Union (ITU)

Defense Logistics Agency

The Directorate General of Specifications and Metrology (DGSM)

British Standards Institution (BSI)

  • BS EN IEC 61169-1-6:2022 Radio-frequency connectors - Electrical test methods. RF power.
  • BS PD IEC/TS 62129-3:2014 Calibration of wavelength/optical frequency measurement instruments. Optical frequency meters using optical frequency combs
  • BS EN IEC 62129-3:2019 Calibration of wavelength / optical frequency measurement instruments Part 3 : Optical frequency meters internally referenced to a frequency comb
  • 20/30414068 DC BS EN IEC 61169-1-6. Radio-frequency connectors. Part 1-6. Electrical test methods. RF power
  • BS EN 61566:1998 Measurement of exposure to radio-frequency electromagnetic fields. Field strength in the frequency range 100 kHz to 1 GHz
  • BS EN 60966-2-4:2016 Radio Frequency and coaxial cable assemblies. Detail specification for cable assemblies for radio and TV receivers. Frequency range 0 MHz to 3 000 MHz, IEC 61169-2 connectors
  • BS EN 60966-2-4:2009 Radio frequency and coaxial cable assemblies — Part 2-4: Detail specification for cable assemblies for radio and TV receivers — Frequency range 0 MHz to 3 000 MHz, IEC 61169-2 connectors
  • BS DD IEC/PAS 62431:2005 Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency
  • BS EN 61169-18:2011 Radio-frequency connectors. Sectional specification. Radio frequency coaxial connectors of type SSMA

GCC Standardization Organization

Kingdom of Bahrain Testing and Metrology Directorate

  • BH GSO IEC/TR 61141:2016 Upper frequency limit of r.f. coaxial connectors
  • BH GSO IEC 61079-1:2024 Methods of Measurement on Receivers for Satellite Broadcast Transmissions in the 12 GHz Band - Part 1: Radio-Frequency Measurements on Outdoor Units
  • BH GSO IEC 61290-5-2:2016 Optical amplifiers - Test methods - Part 5-2: Reflectance parameters - Electrical spectrum analyser method
  • BH GSO IEC 61566:2016 Measurement of exposure to radio-frequency electromagnetic fields - Field strength in the frequency range 100 kHz to 1 GHz
  • BH GSO OIML R102:2024 SOUND CALIBRATORS
  • BH GSO IEC 62431:2016 Reflectivity of electromagnetic wave absorbers in millimetre wave frequency - Measurement methods

United States Navy

International Electrotechnical Commission (IEC)

  • IEC TR3 61141:1992 Upper frequency limit of r.f. coaxial connectors
  • IEC 62129-3:2014 Calibration of wavelength/optical frequency measurement instruments - Part 3: Optical frequency meters using optical frequency combs
  • IEC TR 61141:1992 Upper frequency limit of r.f. coaxial connectors
  • TS 62129-3-2014 Calibration of wavelength/optical frequency measurement instruments - Part 3: Optical frequency meters using optical frequency combs (Edition 1.0)
  • IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Part 3:Optical frequency meters internally referenced to a frequency comb
  • IEC 61169-1-6:2022 Radio-frequency connectors - Part 1-6: Electrical test methods - RF power
  • IEC TS 62129-3:2014 IEC/TS 62129-3, Ed. 1: Calibration of wavelength/optical frequency measurement instruments - Part 3: Optical frequency meters using optical frequency combs
  • IEC 61566:1997 Measurement of exposure to radio-frequency electromagnetic fields - Field strength in the frequency range 100 kHz to 1 GHz
  • IEC 60169-26:1993 Radio-Frequency Connectors - Part 26: R.F. Coaxial Connectors with Screw Coupling - Characteristic Impedance 50 Ohms - Frequency Range 0 to 18 GHz (Type TNC 18 GHz) (Edition 1.0)
  • IEC 62980:2022 Parasitic communication protocol for radio-frequency wireless power transmission

Danish Standards Foundation

  • DANSK DS/IEC/TS 62129-3:2014 Calibration of wavelength/optical frequency measurement instruments – Part 3: Optical frequency meters using optical frequency combs
  • DANSK DS/EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments – Part 3:Optical frequency meters internally referenced to a frequency comb
  • DANSK DS/EN IEC 61169-1-6:2022 Radio-frequency connectors – Part 1-6: Electrical test methods – RF power
  • DANSK DS/EN 61566:1997 Measurement of exposure to radio-frequency electromagnetic fields - Field strength in the frequency range 100 kHz to 1 GHz
  • DANSK DS/EN 62129-1:2016 Calibration of wavelength/optical frequency measurement instruments – Part 1: Optical spectrum analyzers
  • DANSK DS/EN 61290-5-3:2002 Optical fibre amplifiers - Basic specification - Part 5-3: Test methods for reflectance parameters - Reflectance tolerance using an electrical spectrum analyser
  • DS/EN 61290-5-3:2002 Optical fibre amplifiers - Basic specification - Part 5-3: Test methods for reflectance parameters - Reflectance tolerance using an electrical spectrum analyser
  • DS/EN 61566:1997 Measurement of exposure to radio-frequency electromagnetic fields - Field strength in the frequency range 100 kHz to 1 GHz
  • DANSK DS/EN 62431:2009 Reflectivity of electromagnetic wave absorbers in millimetre wave frequency - Measurement methods

Spanish Association for Standardization (UNE)

  • UNE-EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Part 3:Optical frequency meters internally referenced to a frequency comb (Endorsed by Asociación Española de Normalización in September of 2019.)
  • UNE-EN IEC 61169-1-6:2023 Radio-frequency connectors - Part 1-6: Electrical test methods - RF power
  • UNE-EN 61566:1997 Measures exposure to RF electromagnetic fields in the frequency range 100 kHz to 1 GHz
  • UNE-EN 62129-1:2016 Calibration of wavelength/optical frequency measurement instruments - Part 1: Optical spectrum analyzers (Endorsed by AENOR in July of 2016.)
  • UNE-EN 61290-5-3:2002 Optical fibre amplifiers - Basic specification -- Part 5-3: Test methods for reflectance parameters - Reflectance tolerance using an electrical spectrum analyser. (Endorsed by AENOR in October of 2002.)
  • UNE-EN 62431:2008 Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency (Endorsed by AENOR in March of 2009.)

Association Francaise de Normalisation

  • NF C93-846-13*NF EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Part 3 : optical frequency meters internally referenced to a frequency comb
  • NF EN IEC 61169-1-6:2022 Radio Frequency Connectors Part 1-6: Electrical Test Methods - RF Power
  • NF C93-560-1-6*NF EN IEC 61169-1-6:2022 Radio-frequency connectors - Part 1-6 : electrical test methods - RF power
  • NF C94-566:1998 Measurement of exposure to radio-frequency electromagnetic fields. Field strength in the frequency range 100 kHz to 1 GHz.
  • NF C97-030:1970 Electro-acoustics. Scales for plotting frequency characteristics ofelectro-acoustic instruments.
  • NF C93-846-1*NF EN 62129-1:2016 Calibration of wavelength/optical frequency measurement instruments - Part 1 : optical spectrum analyzers
  • NF EN 61290-5-3:2002 Optical fiber amplifiers - Basic specification - Part 5-3: test methods for reflectance parameters - Reflectance tolerance using an electrical spectrum analyzer
  • NF EN IEC 62129-3:2019 Calibration of wavelength measuring devices/optical frequency measuring devices - Part 3: optical frequency meters internally referring to a frequency comb

Comitato Elettrotecnico Italiano

  • CEI EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments – Part 3: Optical frequency meters internally referenced to a frequency comb
  • CEI 12-20:1998 Methods for measurements on radio receivers for various emission classes - Part 4: Radio frequency measurements on receivers for frequency modulated sound broadcast emissions
  • CEI EN IEC 61169-1-6:2022 Radio-frequency connectors Part 1-6: Electrical test methods - RF power
  • CEI UNI TS 11762:2019 Communication systems for meters Shared management of the communication band at the frequency of 169 MHz
  • CEI EN 61566:1998 Measurement of exposure to radio-frequency electromagnetic fields - Field strength in the frequency range 100 kHz to 1 GHz
  • CEI EN 62129-1:2016 Calibration of wavelength/optical frequency measurement insturments Part 1: Optical spectrum analyzers
  • CEI EN 62431:2010 Reflectivity of electromagnetic wave absorbers in millimetre wave frequency - Measurement methods
  • CEI 46-17:1998 Radio frequency cables - Part 0: Guide to the design of particular specifications - Section 1: Coaxial cables

European Committee for Electrotechnical Standardization(CENELEC)

  • EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Part 3:Optical frequency meters internally referenced to a frequency comb
  • HD 460-1985 Audio - Frequency Calibration Tape for Transverse Track Recorders
  • EN IEC 61169-1-6:2022 Radio-frequency connectors - Part 1-6: Electrical test methods - RF power
  • EN 61566:1997 Measurement of Exposure to Radio-Frequency Electromagnetic Fields Field Strength in the Frequency Range 100 kHz to 1 GHz
  • EN 62129-1:2016 Calibration of wavelength/optical frequency measurement instruments - Part 1: Optical spectrum analyzers
  • EN 62431:2008 Reflectivity of electromagnetic wave absorbers in millimetre wave frequency - Measurement methods

IET - Institution of Engineering and Technology

Swedish Institute for Standards

  • SS-EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Part 3: Optical frequency meters internally referenced to a frequency comb
  • SS-EN IEC 61169-1-6:2022 Radio-frequency connectors - Part 1-6: Electrical test methods - RF power
  • SS-EN 61566:1998 Measurement of exposure to radio-frequency electromagnetic fields - Field strength in the frequency range 100 kHz to 1 GHz
  • SS-EN 62129-1:2016 Calibration of wavelength/optical frequency measurement instruments - Part 1: Optical spectrum analyzers
  • SS-EN 62431:2011 Reflectivity of electromagnetic wave absorbers in millimetre wave frequency - Measurement methods

Association for Electrical, Electronic & Information Technologies (VDE)

Gosstandart of Russia

  • GOST R 50664-1994 Apparatus ultrasonic technological. Working frequencies
  • GOST 28596-1990 Standard frequencies
  • GOST 16312-1997 Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. Test methods
  • GOST 16313-1997 Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. General specifications

Military Standards (MIL-STD)

German Institute for Standardization

  • DIN EN 62129-3 E:2017 Draft Document - Calibration of wavelength/optical frequency measurement instruments - Part 3: Optical frequency meters using optical frequency combs (IEC 86/501/CD:2016)
  • DIN EN IEC 62129-3:2020-04*VDE 0888-429-3:2020-04 Calibration of wavelength/optical frequency measurement instruments
  • DIN EN 62129-1:2016-12*VDE 0888-429-1:2016-12 Calibration of wavelength/optical frequency measurement instruments
  • DIN EN 62129-3 E:2017-01 Draft Document - Calibration of wavelength/optical frequency measurement instruments - Part 3: Optical frequency meters using optical frequency combs (IEC 86/501/CD:2016)
  • DIN 40700-25:1976 Frequency, frequency band, modulation frequency plan Part 25
  • DIN EN IEC 62129-3:2020 Calibration of wavelength/optical frequency measurement instruments - Part 3: Optical frequency meters internally referenced to a frequency comb (IEC 62129-3:2019); German version EN IEC 62129-3:2019
  • DIN 15575:1985-02 Pilot frequency recording; pilot frequency, running speed, track positions, magnetization
  • DIN EN IEC 61169-1-6:2023 Radio-frequency connectors - Part 1-6: Electrical test methods - RF power (IEC 61169-1-6:2022); German version EN IEC 61169-1-6:2022
  • DIN IEC 244-7:1985 Methods for measuring enclosure emissions from radio frequency transmitters Part 7: Measurement of enclosure emissions for frequencies above 1 GHz
  • DIN EN IEC 61169-1-6:2023-05 Draft Document - Radio-frequency connectors - Part 1-6: Electrical test methods - RF power (IEC 61169-1-6:2022); German version EN IEC 61169-1-6:2022
  • DIN EN IEC 61169-1-6 E:2023 Draft Document - Radio-frequency connectors - Part 1-6: Electrical test methods - RF power (IEC 61169-1-6:2022); German version EN IEC 61169-1-6:2022
  • DIN EN 302454-1:2007 Electromagnetic compatibility and Radio spectrum Matters (ERM) - Meteorological Aids (Met Aids) - Radiosondes to be used in the 1668,4 MHz to 1690 MHz frequency range - Part 1: Technical characteristics and test methods (Endorsement of the English version
  • DIN VDE 0855-300:2008-08*VDE 0855-300:2008-08 Transmitting/receiving systems for transmitter RF output power up to 1 kW
  • DIN 45543:1984 Frequency response and separation test record
  • DIN EN 62431:2009-07 Reflectivity of electromagnetic wave absorbers in millimetre wave frequency - Measurement methods (IEC 62431:2008); German version EN 62431:2008
  • DIN 30745:2008 Radio-frequency identification of waste containers by transponder technology using frequencies below 135 kHz, text in German and English

Society of Automotive Engineers (SAE)

U.S. Air Force

YU-JUS

  • JUS N.N6.330-1978 Radiocommunications. Transmitters. Reference frequency and characteristic frequency for typical classes ofemission
  • JUS N.N6.325-1983 Radiocommunications. Transmitters. Table of transmitter frequency tolerances.
  • JUS N.N6.321-1978 Radiocommunications. Transmitters. Methods of frequency measurements

European Telecommunications Standards Institute (ETSI)

  • ETSI TR 103 977 V1.1.1 (2024-04)-2024 RFID Measurement methods for transmit spectrum using modern spectrum analysers
  • ETSI TR 103 265-2014 Electromagnetic compatibility and Radio spectrum Matters (ERM); Definition of radio parameters
  • ETSI PRETS 300 750-1996 Radio Broadcasting Systems; Very High Frequency (VHF), Frequency Modulated, Sound Broadcasting Transmitters in the 66 to 73 MHz Band
  • ETSI EN 302 208-2020 Radio Frequency Identification Equipment operating in the band 865 MHz to 868 MHz with power levels up to 2 W and in the band 915 MHz to 921 MHz with power levels up to 4 W; Harmonised Standard for access to radio spectrum
  • ETSI ETS 300 384-1995 Radio Broadcasting Systems; Very High Frequency (VHF), Frequency Modulated, Sound Broadcasting Transmitters
  • ETSI ETS 300 384 AMD 1-1997 Radio Broadcasting Systems; Very High Frequency (VHF), Frequency Modulated, Sound Broadcasting Transmitters
  • ETSI PRETS 300 384-1993 Radio Broadcasting Systems; Very High Frequency (VHF), Frequency Modulated, Sound Broadcasting Transmitters
  • ETSI PRETS 300 384-1994 Radio Broadcasting Systems; Very High Frequency (VHF), Frequency Modulated, Sound Broadcasting Transmitters
  • ETSI ETS 300 384 PRA1-1996 Radio Broadcasting Systems; Very High Frequency (VHF), Frequency Modulated, Sound Broadcasting Transmitters
  • ETSI ETS 300 750-1997 Radio Broadcasting Systems; Very High Frequency (VHF), Frequency Modulated, Sound Broadcasting Transmitters in the 66 to 73 MHz Band
  • ETSI TR 103730 V 1.1.1-2021 System Reference document (SRdoc) - Low Frequency MicroWave Security Scanners (MWSSc) within the frequency range from 3,6 GHz to 12,4 GHz
  • ETSI TR 103 730 V1.1.1 (2021-01)-2021 System Reference document (SRdoc); Low Frequency MicroWave Security Scanners (MWSSc) within the frequency range from 3,6 GHz to 12,4 GHz

Institute of Electrical and Electronics Engineers (IEEE)

  • IEEE C95.3-1973 TECHNIQUES AND INSTRUMENTATION FOR THE MEASUREMENT OF POTENTIALLY HAZARDOUS ELECTROMAGNETIC RADIATION AT MICROWAVE FREQUENCIES (R 1979)
  • IEEE Std C95.2-1982 Radio frequency radiation hazard warning symbol
  • IEEE/ANSI C95.3-1973 American National Standard Techniques and Instrumentation for the Measurement of Potentially Hazardous Electromagnetic Radiation at Microwave Frequencies

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

Standard Association of Australia (SAA)

  • AS 2533:2002 Acoustics - Preferred frequencies and band centre frequencies

Indonesia Standards

American National Standards Institute (ANSI)

  • ANSI/ASA S1.6-1984 Preferred Frequencies, Frequency Levels, and Band Numbers for Acoustical Measurements
  • ANSI S1.6-1984 Preferred Frequencies, Frequency Levels, and Band Numbers for Acoustical Measurements
  • ANSI C63.9-2008 RF Immunity of Audio Office Equipment to General Use Transmitting Devices with Transmitter Power Levels up to 8 Watts
  • ANSI Std C95.3-1973 American National Standard Techniques and Instrumentation for the Measurement of Potentially Hazardous Electromagnetic Radiation at Microwave Frequencies

CEPT - Conference Europeenne des Administrations des Postes et des Telecommunications

  • CEPT T/R 20-08 E-1989 Frequency Planning and Frequency Coordination for the GSM System
  • CEPT T/R 21-04 E-1975 Transmitter-Receivers for Personal Use by the General Public on Collective Frequencies in Band 220-235 MHz

Thai Industrial Standards Institute (TISI)

  • TIS 1637-1998 Radio.frequency connectors.part 26: r.f. coaxial connectors with screw coupling.characteristic impedance 50 ohms.frequency range 0 to 18 ghz (type tnc 18 ghz)

OVE Austrian Electrotechnical Association

  • OVE EN IEC 61169-1-6:2021 Radio frequency connectors - Part 1-6: Electrical test methods- RF power (IEC 46F/563/CDV) (english version)

CZ-CSN

  • CSN 01 3352-1985 Graphical symbols for clectrical circuit dia- grams. Frcqucncy and frcqucncy bands of frequcncy—division multiplcx transmissi- on systems

Bureau of Indian Standards

  • IS 16320-2016 Measurement of Exposure to Radio Frequency Electromagnetic Fields - Field Strength in the Frequency Range 100 kHz to 1 GHz

RO-ASRO

  • STAS 9174/1-1989 Radio transmitters FREQUENCY, OUTPUT POWER, POWER CONSUMPTION Methods of measurement

Korean Agency for Technology and Standards (KATS)

FI-SFS

  • SFS 5424-1988 Radio frequency emission bands, marking and protection

Türk Standardları Enstitüsü

Acoustical Society of America (ASA)

  • ASA S1.6-2016(R2020) American National Standard Preferred Frequencies, Frequency Levels, and Band Numbers for Acoustical Measurements