中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

Hotline:400-880-1556

English




Information Express | American FCC HAC 2019 standard has been implemented on December 5, 2023

Author:中認(rèn)聯(lián)科 time:2023-12-12 Ctr:996

According to the requirements of the Federal Communications Commission (FCC), from December 5, 2023, handheld terminal equipment must conform to the ANSI C63.19-2019 standard (also known as HAC 2019 standard).

The standard adds Volume control test requirements, and FCC has agreed to the partial exemption request of volume control test proposed by ATIS, so as to allow handheld terminal products to pass HAC certification by exempting some volume control tests.

From December 5, 2023, according to the latest regulations, the newly applied certification must fully meet the requirements of 285076 D04 Volume Control v02 or be combined with the requirements of 285076D05 HAC Waiver DA 23-914V01 under the temporary exemption procedure KDB.

Comparison between old and new versions of standard

標(biāo)準(zhǔn)新舊版本對(duì)比.png

Requirements of countries for HAC

各國(guó)對(duì)HAC要求.png

About HAC

Hearing aid compatibility (HAC) refers to the compatibility when a mobile phone and a hearing aid are used together. In order to reduce the electromagnetic interference caused by people wearing hearing AIDS when using mobile phones, communication standards organizations in various countries have formulated relevant test standards and compliance requirements for HAC.

HAC test is usually divided into RF Rating test and T-Coil test. The RF rating test evaluates whether the mobile phone will produce radio frequency interference when it is used with hearing AIDS. The audio signal test evaluates whether the sound signal sent by the mobile phone can be received and amplified by the hearing aid. Recently, the Federal Communications Commission (FCC) issued the latest requirements, adding the Volume Control requirements, aiming at ensuring that people wearing hearing AIDS can adjust the volume of their mobile phones according to their own needs, so as to obtain a better listening experience.

Warm tips

ZRLK has been focusing on the testing and certification of consumer electronic and electrical products for 20 years, always paying attention to the changes of laws and regulations in various countries, and providing customers with one-stop testing and certification services to ensure that your products enter the target market quickly. If you want to know more about the requirements of FCC certification in the United States or have products that need FCC certification in the United States, please feel free to contact us, and our engineers will serve you as soon as possible!

Related Articles
  • Compliance leads to bestsellers! Key points to know for SRRC Certification of Smart refrigerators

  • CE certification for smart dishwashers: Ensuring quality and expanding the European market

  • Focus on the CCC certification of power adapters for sweeping robots, safeguarding safety and quality

  • Electric shaver battery CCC certification: A dual guarantee of safety and quality

Follow Us
性猛交╳xxx乱大交| 日韩精品无码一区二区中文字幕| 夜夜未满十八勿进的爽爽影院| 亚洲人成无码电影一区| 亚洲欧美在线综合色影视| 北条麻妃一区二区三区av高清| 91高清免费国产自产| 永久免费av无码网站国产| 色综合久久88色综合天天| 91探花福利精品国产自产在线| 午夜亚洲一区| 亚洲av永久精品爱情岛论坛| 国产日产亚洲系列最新| 水蜜桃视频免费资源在线| 国产精品拍自在线观看| 啪啪免费入口网站www| 91亚洲综合成人AⅤ在线| 香蕉久久成人国产精品免费| 另类 自拍 制服 经典 图片区| 精品人妻一区二区三区视频| 热久久亚洲精品| 伊人亚洲综合网| 欧美日韩在线播放成人| 一区二区成人国产精品| 毛片一级精油按摩高潮无码| 精品少妇无码AV在线播放| www亚洲精品久久久乳| 亚洲国产精品SSS在线观看AV| 日本一区二区三区免费播放| 成人区人妻精品一区二区三区| 在线a毛片免费视频观看| 免费很黄无遮挡的视频| 亚洲色欲色欲www| 亚洲国产精品VA在线看黑人| 丰满少妇内射一区| 亚洲人成人网站在线观看| jizz视频在线观看| 午夜精品久久久久久久| 欧美黑人又粗又大又爽免费| 午夜内射中出视频| 国产suv精品一区二区33|