YD/T 1644.4-2020 English Version, YD/T 1644.4-2020 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures- Part 4: Procedure to determine the specific absorption rate (SAR) for limb-worn wireless communication devices (frequency range of 30 MHz to 6 GHz) (English Version)

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Position: Chinese Standard in English/YD/T 1644.4-2020

YD/T 1644.4-2020 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures- Part 4: Procedure to determine the specific absorption rate (SAR) for limb-worn wireless communication devices (frequency range of 30 MHz to 6 GHz) (English Version)
Standard No.:	YD/T 1644.4-2020	Status:	valid remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	7000 words	Price(USD):	210.0 remind me the price change Email:
Implemented on:	2021-1-1	Delivery:	via email in 1~3 business day

Standard No.:	YD/T 1644.4-2020
English Name:	Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures- Part 4: Procedure to determine the specific absorption rate (SAR) for limb-worn wireless communication devices (frequency range of 30 MHz to 6 GHz)
Chinese Name:	手持和身体佩戴使用的无线通信设备对人体的电磁照射人体模型、仪器和规程第4部分：肢体佩戴的无线通信设备的比吸收率（SAR）评估规程（频率范围30MHz～6GHz）
Professional Classification:	YD Professional Standard - Telecommunication
Issued by:	MIIT
Issued on:	2020-12-9
Implemented on:	2021-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.0
Delivery:	via email in 1~3 business day

YD/T 1644.4-2020 is referred in:

*GB/T 41411-2022 Children's watches

Standard

YD/T 1644.4-2020 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures- Part 4: Procedure to determine the specific absorption rate (SAR) for limb-worn wireless communication devices (frequency range of 30 MHz to 6 GHz) (English Version)
Standard No.	YD/T 1644.4-2020
Status	valid
Language	English
File Format	PDF
Word Count	7000 words
Price(USD)	210.0
Implemented on	2021-1-1
Delivery	via email in 1~3 business day

Detail of YD/T 1644.4-2020

Standard No.

English Name

Chinese Name

Chinese Classification

Professional Classification

ICS Classification

Issued by

Issued on

Implemented on

Status

Superseded by

Superseded on

Abolished on

Superseding

Language

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Price(USD)

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Introduction of YD/T 1644.4-2020

本部分适用于任何能够发射电磁场（EMF）、使用时按制造商描述的方式佩戴在四肢，且其发射部分距离人体不大于200mm的无线通信设备。
本部分适用于工作频率范围在30MHz至6GHz的射频照射，也可用于测量肢体佩戴式设备的多个无线电发射源的同时照射。
本部分给出了肢体佩戴的无线通信设备的类型定义和评估流程。
本部分不适用于发射或不发射的医学植入设备的照射评估。

Contents of YD/T 1644.4-2020

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