• <tfoot id="jw0ja"></tfoot>
    <nav id="jw0ja"><fieldset id="jw0ja"></fieldset></nav>
    中文字幕日本αv一区二区,亚洲AV无码一区二区三区在线观看 ,亚洲综合色在线观看一区二区,国产成人污污网站在线观看,久久精品中文字幕,国产一区二区精品福利,亚洲欧洲AV,精品人妻中文av一区二区三区
    Hotline:400-880-1556

    English




    What is TWS Bluetooth headset? How to apply for SRRC certification of TWS Bluetooth headset?

    Author:中認聯科 time:2020-06-17 Ctr:2407

    What is TWS Bluetooth headset

    TWS English: True Wireless Stereo, which means true wireless stereo. The realization of this technology is based on the development of chip technology, which means that the mobile phone is connected to the main speaker through the main speaker, and then the main speaker is connected to the slave speaker through Bluetooth wireless mode to realize the true Bluetooth wireless separation of the left and right channels. When the slave speakers are not connected, the master speakers return to mono sound quality. TWS technology uses the field of Bluetooth headsets, so it also spawned a new product-TWS Bluetooth headsets.

    The relationship between TWS headset and Bluetooth 5.0 technology

    The latest Bluetooth headset is compatible with Bluetooth 5.0 technology!

    Bluetooth 5.0 is a Bluetooth technology standard proposed by the Bluetooth Technology Alliance in 2016. Bluetooth 5.0 has correspondingly improved and optimized the speed of low-power devices. Bluetooth 5.0 combined with WiFi assists in positioning indoor locations to increase transmission speed and increase effective working distance.

    The latest version of Bluetooth 5.0, the core specification of Bluetooth, has significantly improved the transmission capabilities of Bluetooth technology, allowing Bluetooth technology to increase the transmission speed by 2 times, the transmission range by 4 times, and the broadcast data packet by 8 times.

    Basic technical characteristics of TWS Bluetooth headset:

    1. Using high-quality Bluetooth 5.0 chip to enhance the signal source, the signal is more stable, continuously

    2. Compatible with smartphones and smart devices with Bluetooth

    3. Single and double ears can be switched at will, can be used alone or together

    4. Touch to switch, touch to cut the song, pause/play, pick up the phone.

    5. Lightweight mini, low power consumption, long battery life

    Information required for wireless TWS headset equipment for SRRC model approval:

    1. Application form (two copies)

    2. Authorization letter (two copies)

    3. Customer's business license (license business)

    4. The customer's ISO certificate or company profile and the company's ability to explain

    5. Product circuit diagram, instruction manual, block diagram, related test report (such as ID FCC)

    6. Antenna gain (peak gain antenna) and mode antenna

    7. Test instruction (direction test)

    8. The company's business license (annual inspection cannot expire)

    9. 3 EUT color photos (must include various interfaces and sides)

    10. Channel control table (if there are many working channels available, such as the DSSS or FHSS working mode of the product)

    The overall application process is as follows:

    1. Sample pre-test

    2. Application unit forecast

    3. Formal review

    4. Commission test tasks

    5. Submit application materials

    6. Document review and certification

    The materials required for SRRC certification are as follows:

    1. Application Form

    2. Power of Attorney

    3. Commitment

    4. Business license (annual inspection cannot expire)

    5. The prototype and quantity depend on different products, some prototypes need to lead out RF cable (and RF port or SMA port)

    6. ISO certificate or company profile and company capability description

    7. Product specifications, circuit diagrams, instructions, block diagrams, operating instructions

    8. Antenna gain

    9. Test guidance

    10. Color photo and nameplate of EUT (must include each interface and each side)

    If you have questions or are unclear about the above content, please contact our company, and a professional engineer can answer it online for you. ZRLK Testing Technology Co., Ltd. focuses on providing comprehensive technical services such as testing, certification, appraisal, technical consultation, and solutions for the majority of corporate customers. If you have SRRC certification, TELEC certification, KC certification and other related testing certifications for TWS Bluetooth headsets For requirements, you can directly contact ZRLK to consult related businesses.


    Related Articles
    • Compliance Alert | Essential for Export to the Middle East! The new standard IEC 60335-2-14:2025 for kitchen appliances will be mandatory from February 7, 2027

    • Compliance required reading | US FCC extends exemption for updating foreign UAV equipment: existing equipment can be safely updated until 2029

    • Vietnam electric motorcycle battery new regulations released: QCVN 31:2026/BXD will take effect on October 9, 2026!

    • Beginner’s Guide for Compliant Power Bank Production: Required Documents & Audit Flow for CCC Certification

    Follow Us
    主站蜘蛛池模板: 亚洲国产精品综合久久20| 久久亚洲精品中文| 久久久国产精品无码免费专区| a级国产乱理伦片在线观看al| 国产mv在线天堂mv免费观看| 福利社午夜影院| 自拍偷自拍亚洲精品10p| 无码人妻精品一区二区三| 99在线小视频| 多p在线观看| 国产精品无码av天天爽播放器| 日本制服丝袜网站播放| 在线观看片A免费不卡观看| 亚洲综合无码| 精品无码国产日韩制服丝袜| 四虎影视一区二区精品| 青青草国产精品亚洲专区无码| 极品人妻系列| 在线看片无码永久免费AV| 欧美日韩在线一区二区| 免费人成视频在线播放| 免费一区二三区三区蜜桃| 精品国产精品午夜福利| 中文字幕第1页在线播| 隆化县| 四虎在线中文字幕一区| 在线天堂最新版资源| 福利一区二区视频在线| 丰满人妻-区二区三区免费| 青青草极品视频在线播放| 国产精品高清一区二区三区不卡 | 亚洲av成人一区二区三区| 岛国一区| 性做久久久久久久久| 男男GV白嫩小受GV在线播放| 尤物亚洲最大AV无码网站| 性xxxx视频播放免费| 日本人真淫视频一区二区三区| 精品久久香蕉国产线看观看亚洲 | 99red国产| 影音先锋国产|