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Test Chart No. 4: Black and white facsimile test chart BW01 - (ITU-T Recommendation T.22)

Test Chart No. 4: Black and white facsimile test chart BW01 - (ITU-T Recommendation T.22)
302 × 222 mm high contrast bi-level chart containing text in a variety of languages and pitches and various black and white patterns.




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Standardized digitized image set on CD-ROM - (ITU-T Recommendation T.24)

Standardized digitized image set on CD-ROM - (ITU-T Recommendation T.24)
This digitized test chart set is an integral part of Recommendation T.24 and is published with it. This set of 409 Mbytes of images digitized with different resolutions includes:
- eight black and white ITU-T reference pages (the "CCITT images");
- test chart No. 4 (BW01);
- one legibility test chart;
- seven bi-level half-tone images made by processing gray-scale images with different algorithms;
- test chart No. 5 (CT01);
- two gray-scale images;
- test chart No. 6 (4CP01);
- 14 colour images with different resolutions and in different colour spaces (YUV, CMYK, RGB, CIELAB);
- low-contrast gray-scale images.
(Paper + CD-ROM)




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[ K.Sup22 (05/21) ] - ITU-T K.45 - Rationale for setting resistibility requirements of telecommunication equipment installed in the access and trunk networks against lightning

ITU-T K.45 - Rationale for setting resistibility requirements of telecommunication equipment installed in the access and trunk networks against lightning




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[ K.Sup1 (05/21) ] - ITU-T K.91 - Guide on electromagnetic fields and health

ITU-T K.91 - Guide on electromagnetic fields and health




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[ K.Sup13 (12/21) ] - Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use

Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use




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[ K.70 (2020) Amendment 1 (12/21) ] - Appendix I - Software "EMF-estimator" v8.0.32 and v8.64<br/>

Appendix I - Software "EMF-estimator" v8.0.32 and v8.64




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[ K.151 (01/22) ] - Electrical safety and lightning protection of medium voltage input and up to ±400 VDC output power system in ICT data centres and telecommunication centres

Electrical safety and lightning protection of medium voltage input and up to ±400 VDC output power system in ICT data centres and telecommunication centres




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[ K.138 (01/22) ] - Quality estimation methods and application guidelines for mitigation measures based on particle radiation tests

Quality estimation methods and application guidelines for mitigation measures based on particle radiation tests




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[ K.137 (01/22) ] - Electromagnetic compatibility requirements and measurement methods for wireline telecommunication network equipment

Electromagnetic compatibility requirements and measurement methods for wireline telecommunication network equipment




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[ K.91 (01/22) ] - Guidance for assessment, evaluation and monitoring of human exposure to radio frequency electromagnetic fields

Guidance for assessment, evaluation and monitoring of human exposure to radio frequency electromagnetic fields




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[ K.Sup16 (07/22) ] - Electromagnetic field compliance assessments for 5G wireless networks

Electromagnetic field compliance assessments for 5G wireless networks




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[ K.Sup28 (07/22) ] - Electric shock and related terms and definitions

Electric shock and related terms and definitions




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[ K.Sup29 (07/22) ] - Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology

Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology




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[ K.21 (08/22) ] - Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents

Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents




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[ K.114 (08/22) ] - Electromagnetic compatibility requirements and measurement methods for digital cellular mobile communication base station equipment

Electromagnetic compatibility requirements and measurement methods for digital cellular mobile communication base station equipment




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[ K.Sup16 (10/22) ] - Electromagnetic field compliance assessments for 5G wireless networks

Electromagnetic field compliance assessments for 5G wireless networks




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[ K.80 (11/22) ] - EMC requirements for telecommunication network equipment in the frequency range 1 GHz-40 GHz

EMC requirements for telecommunication network equipment in the frequency range 1 GHz-40 GHz




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[ K.45 (11/22) ] - Resistibility of telecommunication equipment installed in the access and trunk networks to overvoltages and overcurrents

Resistibility of telecommunication equipment installed in the access and trunk networks to overvoltages and overcurrents




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[ K.20 (11/22) ] - Resistibility of telecommunication equipment installed in a telecommunication centre to overvoltages and overcurrents

Resistibility of telecommunication equipment installed in a telecommunication centre to overvoltages and overcurrents




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[ K.60 (07/23) ] - Emission levels and test methods for wireline telecommunication networks to minimize electromagnetic disturbance of radio services

Emission levels and test methods for wireline telecommunication networks to minimize electromagnetic disturbance of radio services




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[ K.143 (07/23) ] - Guidance on safety relating to the use of surge protective devices and surge protective components in telecommunication terminal equipment

Guidance on safety relating to the use of surge protective devices and surge protective components in telecommunication terminal equipment




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[ K.93 (07/23) ] - Immunity of home network devices to electromagnetic disturbances

Immunity of home network devices to electromagnetic disturbances




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[ K.153 (09/23) ] - Guidance on determining the compliance boundaries (exclusion zones) of radio transmitter installations

Guidance on determining the compliance boundaries (exclusion zones) of radio transmitter installations




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[ K.147 (07/23) ] - Protection of digital ports connected to balanced pairs of conductors

Protection of digital ports connected to balanced pairs of conductors




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[ K.91 (01/24) ] - Guidance for assessment, evaluation and monitoring of human exposure to radio frequency electromagnetic fields

Guidance for assessment, evaluation and monitoring of human exposure to radio frequency electromagnetic fields




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[ K.37 (01/24) ] - Low and high frequency EMC mitigation techniques for telecommunication installations and systems - Basic EMC Recommendation

Low and high frequency EMC mitigation techniques for telecommunication installations and systems - Basic EMC Recommendation




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[ H.830.12 (04/17) ] - Conformance of ITU-T H.810 personal health system: Services interface Part 12: Questionnaires: Health & Fitness Service receiver

Conformance of ITU-T H.810 personal health system: Services interface Part 12: Questionnaires: Health & Fitness Service receiver




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[ H.830.1 (04/17) ] - Conformance of ITU-T H.810 personal health system: Services interface Part 1: Web services interoperability: Health & Fitness Service sender

Conformance of ITU-T H.810 personal health system: Services interface Part 1: Web services interoperability: Health & Fitness Service sender




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[ H.830.3 (04/17) ] - Conformance of ITU-T H.810 personal health system: Services interface Part 3: SOAP/ATNA: Health & Fitness Service sender

Conformance of ITU-T H.810 personal health system: Services interface Part 3: SOAP/ATNA: Health & Fitness Service sender




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[ H.830.7 (04/17) ] - Conformance of ITU-T H.810 personal health system: Services interface Part 7: Consent Management: Health & Fitness Service sender

Conformance of ITU-T H.810 personal health system: Services interface Part 7: Consent Management: Health & Fitness Service sender




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[ H.830.4 (04/17) ] - Conformance of ITU-T H.810 personal health system: Services interface Part 4: SOAP/ATNA: Health & Fitness Service receiver

Conformance of ITU-T H.810 personal health system: Services interface Part 4: SOAP/ATNA: Health & Fitness Service receiver




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[ H.830.9 (04/17) ] - Conformance of ITU-T H.810 personal health system: Services interface Part 9: hData Observation Upload: Health & Fitness Service sender

Conformance of ITU-T H.810 personal health system: Services interface Part 9: hData Observation Upload: Health & Fitness Service sender




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[ H.830.8 (04/17) ] - Conformance of ITU-T H.810 personal health system: Services interface Part 8: Consent Management: Health & Fitness Service receiver

Conformance of ITU-T H.810 personal health system: Services interface Part 8: Consent Management: Health & Fitness Service receiver




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[ H.840 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface: USB host

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface: USB host




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[ H.845.11 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5K: Peak expiratory flow monitor

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5K: Peak expiratory flow monitor




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[ H.845.1 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5A: Weighing scales

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5A: Weighing scales




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[ H.845.15 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5O: Sleep apnoea breathing therapy equipment

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5O: Sleep apnoea breathing therapy equipment




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[ H.845.13 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5M: Basic electrocardiograph

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5M: Basic electrocardiograph




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[ H.845.12 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5L: Body composition analyser

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5L: Body composition analyser




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[ H.845.3 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5C: Pulse oximeter

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5C: Pulse oximeter




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[ H.845.8 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5H: Independent living activity hub

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5H: Independent living activity hub




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[ H.845.7 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5G: Strength fitness equipment

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5G: Strength fitness equipment




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[ H.845.6 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5F: Cardiovascular fitness and activity monitor

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5F: Cardiovascular fitness and activity monitor




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[ H.845.5 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5E: Thermometer

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5E: Thermometer




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[ H.845.4 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5D: Blood pressure monitor

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5D: Blood pressure monitor




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[ H.847 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 7: Continua Design Guidelines for Bluetooth Low Energy: Personal Health Devices

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 7: Continua Design Guidelines for Bluetooth Low Energy: Personal Health Devices




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[ H.846 (05/19) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 6: Personal Health Gateway

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 6: Personal Health Gateway




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[ H.850.3 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10C: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Heart-rate

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10C: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Heart-rate




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[ H.850.2 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10B: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Blood pressure

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10B: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Blood pressure




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[ H.850.1 (04/17) ] - Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10A: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Thermometer

Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10A: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Thermometer