<sub id="u7b13"><p id="u7b13"></p></sub>
    <p id="u7b13"><menu id="u7b13"></menu></p>
    <p id="u7b13"></p>
      <cite id="u7b13"></cite>

        久久精品夜色国产亚洲av,色狠狠综合天天综合综合,四虎国产精品成人免费久久,亚洲自拍偷拍福利小视频,一区二区三区黄色一级片,国产精品自拍一二三四区,国产在线视频不卡一区二区,91久久亚洲综合精品成人
        Hotline:400-880-1556

        English




        Loudspeaker FCC certification application process——ZRLK

        Author:中認聯科 time:2022-07-07 Ctr:1481

        Amplifier generally refers to power amplifier, and power amplifier is the abbreviation of power amplifier, which generally refers to one of the most basic equipment in the audio system, commonly known as "amplifier". The weak electrical signal from the mixer) is amplified to drive the speaker to produce sound. However, in general, if such products want to export into the US market, they need to apply for FCC certification.

        What is FCC certification?

        The full name of the FCC is the Federal Communications Commission (Federal Communications Commission). It was established in 1934 and is an independent agency of the U.S. government that is directly responsible to Congress. The FCC coordinates domestic and international communications by controlling radio, television, telecommunications, satellite, and cable, and is responsible for authorizing and regulating radio frequency transmission devices and equipment other than those used by the federal government. Involving more than 50 states in the United States, Columbia and the regions of the United States In order to ensure the safety of radio and wire communication products related to life and property, many radio application products, communication products and digital products are required to enter the US market, requiring FCC approval.

        image.png

        Materials and related requirements for loudspeaker FCC certification application

        1. FCC application form: the application company name, address, contact information, product name and model, usage standards and other information requirements are accurate;

        2. FCC authorization letter: It should be signed and stamped by the contact person of the applicant company and scanned into an electronic file;

        3. FCC confidential letter: The confidential letter is an agreement signed by the applicant company and the TCB agency to keep the product information confidential. It must be signed and stamped by the contact person of the applicant company and scanned into an electronic file;

        4. Block diagram: It is necessary to draw all the crystal oscillators and the frequency of the crystal oscillators, and keep them consistent with the circuit diagram;

        5. Circuit diagram: It must be consistent with the crystal oscillator frequency, number of crystal oscillators and crystal oscillator position in the block diagram;

        6. Line description: The requirements are in English, and the function realization principle of the product is clearly described;

        7. Instructions for use: FCC warnings are required;

        8. Label and label location: The label must have an FCC ID number and Statement, and the location of the label must be obvious;

        9. Photos of the appearance of the product: the pictures are required to be clear and clear, and remarks are added if necessary;

        10. Test report: The test is required to be completed, and the product is fully evaluated according to the standard terms.

        Loudspeaker FCC certification process

        1. The customer submits the application form (our company provides a blank application form);

        2. The customer signs an entrusted testing contract with our company;

        3. Send samples for testing, and prepare electrical schematics, external/internal photos, oscillator circuit block diagram, user manual nameplate identification, working principle descriptions, etc. (varies according to products);

        4. After passing the test, if it is FCC VOC certification, our company will directly issue the certificate and report. If it is FCC DOC or ID certification, our company will submit the application materials to the certification agency authorized by FCC.

        5. After the enterprise obtains the FCC certification, it can use the FCC logo on the product.

        image.png

        Please contact our company ZRLK for FCC certification of loudspeakers. We will provide you with professional and efficient testing and certification services with favorable prices and considerate service. If you provide us with product pictures and specifications, we will give you corresponding cycles, quotations and specific solutions according to your products. You are welcome to inquire!

        Related Articles
        • What is the CB certification for smart bracelet batteries? Understand the core meaning of one article

        • The compliance threshold for smart bracelet batteries: CCC certification is the core requirement

        • Smart Glasses CE-RED Certification Guide: An Essential Guide for Market Access in the EU

        • What is FCC ID certification for routers? Why is it necessary to export to the United States?

        Follow Us
        主站蜘蛛池模板: AV老司机AV天堂| 国产AV大陆精品一区二区三区| 久久亚洲精品国产精品婷婷| 欧美日韩人成综合在线播放| 久久综合国产色美利坚| 暖暖 免费 高清 日本 在线观看5| 国产精品综合一区二区三区| 国产精品系列在线免费看| 国产欧美在线一区二区三| 亚洲色欲在线播放一区二区三区| 人妻中文字幕不卡精品| 国产精品自在线拍国产手机版| 亚洲精品电影院| 亚洲乱码中文字幕小综合| 国产成人av电影在线观看第一页| 四虎网址| 欧美视频二区欧美影视| 亚洲大尺度一区二区av| 中文字幕亚洲制服在线看| 国产一区二区三区不卡视频| 色噜噜狠狠成人综合| 亚洲成av一区二区三区| 夜夜爽妓女8888888视频| 真人性囗交视频| 午夜成人理论无码电影在线播放| 四虎国产精品永久在线下载| 黄瓜视频在线观看| 亚洲精品乱码久久久久久按摩高清| 久久精品国产亚洲av成人| 日本怡春院一区二区三区| 赞皇县| 欧美一区二区三区欧美日韩亚洲 | 2021精品亚洲中文字幕| 久热久精久品这里在线观看| 亚洲一区二区av偷偷| 色综合五月伊人六月丁香| 强插少妇视频一区二区三区| 欧美野外伦姧在线观看| 日韩一区二区三区日韩精品| 国产成人无码综合亚洲日韩| 久久香蕉国产线熟妇人妻|