<track id="kauol"><label id="kauol"><th id="kauol"></th></label></track>

    1. <acronym id="kauol"><var id="kauol"></var></acronym>

    2. <nav id="kauol"><menu id="kauol"></menu></nav>
      <abbr id="kauol"></abbr>
      <bdo id="kauol"><code id="kauol"></code></bdo>
        亚洲中文字幕无线,久久久人妻,国产成人精品一区二区无,亚洲自拍偷拍福利小视频,白人久久,又粗又猛又黄又爽无遮挡,毛片24种姿势无遮无拦,а天堂中文最新一区二区三区
        Hotline:400-880-1556

        English




        Bluetooth headset FCC-ID testing standard——ZRLK

        Author:中認聯(lián)科 time:2021-01-04 Ctr:2353

        Bluetooth headsets, as the name suggests, apply Bluetooth technology to hands-free headsets, allowing users to avoid the annoying wires and talk easily in various ways. Since the advent of Bluetooth headsets, it has been a good tool for mobile business people to improve efficiency. The sales volume of Bluetooth headsets in the domestic market is increasing year by year, and the development in the international arena is also good, but if you want to export to the United States and make your own products sell well, you must conduct FCC-ID testing!

        image.png

        The main requirements of FCC ID test for Bluetooth headset

        1. Requirements: 1Mbps, 3Mbps high, middle and low three frequency points

        2. Setting: RBW = 1 MHz, VBW ≥ RBW, Span=0

        3. Dwell time: Once the pressure enters the range of the stable error band, the controller starts a timer to count the user-defined time, which is called the dwell time, for wireless products such as Bluetooth headsets , The FCC must be very strict with regard to the methods and methods of control.

        FCC ID certification recognition

        FCC ID certification is applicable to more than 50 states in the United States, Colombia and the United States.

        Technical data required for Bluetooth headsets for FCC-ID certification

        1. 731 application form;

        2. FCC ID number;

        3. FCC authorization letter and FCC confidentiality letter;

        4. Block diagram, circuit diagram;

        5. Line description;

        6. Instruction manuals, technical specifications and other materials.

        Bluetooth headset FCC ID certification test project

        According to the different Bluetooth version, the current Bluetooth version is divided into V2.0, V2.1, V3.0 and V4.0. Most chips like to use CSR chips. The manufacturer needs to provide engineering prototypes and fixed-frequency control software for Bluetooth testing.

        Specific test items include:

        1. RF power test includes two aspects at the same time: conducted power and radiated power.

        2. 20db bandwidth.

        3. Frequency range, to see if it falls within the specified frequency range, namely: 2402-2480MHz.

        4. Radiation test requires 20 times frequency test.

        5. BE test, that is, off-band stray test.

        6. Conducted stray test

        7. Launch time test.

        image.png

        For Bluetooth headset FCC-ID testing, please contact our company ZRLK. We will provide you with professional and efficient testing and certification services with favorable prices and good service. If you have other products that need to go through FCC-ID testing, please provide us with product pictures and specifications. We will provide the corresponding cycle, quotation and specific plan according to your product. Welcome to inquire!

        Related Articles
        • On-site direct hit | |CIBF 2026, ZRLK is waiting for you in Hall 14, Room 14T153!

        • 【Invitation】Unite and Empower! ZRLK sincerely invites you to attend the CIBF 2026 International Battery Technology Exhibition in Shenzhen!

        • Complete Analysis of UN38.3 Certification for E-Bike Batteries: Securing Safety & Global Sales

        • EU CE-RED Certification for Smart Refrigerators: A Guide to Obtaining the European Market Pass

        Follow Us
        主站蜘蛛池模板: 中文字幕成人精品久久不卡| 欧美 日韩 国产 成人 在线观看| 亚洲成A人V欧美综合| 日韩大片高清播放器| 国产一区二区三区内射高清| 亚洲色成人www永久在线观看| 国产一区二区三区最新视频| 欧美浓毛大泬视频| 麻豆精品久久精品色综合| 日韩秘 无码一区二区三区| 福利导航在线| 亚洲欧洲日产国码二区在线| 亚洲另类激情综合偷自拍图| 在线观看AV永久免费| aV无码av高潮aV三区| 产国品精一区| 欧美黑人性受xxxx精品| 亚洲Av激情网五月天| 顶级欧美熟妇xx| 亚洲成人av在线资源网| 亚洲人成网站77777在线观看| 呦男呦女精品视频十区| 亚洲v国产v| 国产日韩AV高潮在线| 久久99精品久久久久久久久久| 国产自产av一区二区三区性色| 亚洲自在精品网久久一区| 极品尤物被啪到呻吟喷水| 华人在线亚洲欧美精品| 无码人妻aⅴ| 爱啪福利导航| 狠狠人妻久久久久久| 精品人妻少妇嫩草av专区| 91在线视频播放| 国产精品自拍卡一卡二| 综合色网亚洲| 中文字幕人妻少妇美臀| 日韩V欧美V中文在线| 欧美综合人人做人人爱| 久久不见久久见中文字幕免费| 免费看无码特级毛片|