• <tfoot id="mmm0m"><noscript id="mmm0m"></noscript></tfoot>
  • <tr id="mmm0m"></tr>
  • <nav id="mmm0m"><sup id="mmm0m"></sup></nav>
    • 26uuu另类亚洲欧美日本,亚洲高潮喷水无码AV电影,久草热在线视频免费播放,亚洲精品午夜国产VA久久成人,自拍偷拍第一区二区三区,国产精品亚洲二区亚瑟,色老头在线一区二区三区,中文字幕在线精品人妻
      Hotline:400-880-1556

      English




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

      Author:中認聯(lián)科 time:2020-06-17 Ctr:1674

      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
      • UL 4200A certification for button batteries: A Compulsory course for

      • Why do manufacturers need to obtain CB certification for button batteries? The answer is here.

      • Must-read for Bluetooth Headphones Entering the Japanese Market: A Complete Disassembly of TELEC Certification and a Guide to Avoiding Pitfalls

      • Is getting TELEC certification enough? There are two more points to note when exporting Bluetooth headphones to Japan

      Follow Us
      主站蜘蛛池模板: 亚洲国产午夜精品理论片| 日韩有码国产精品一区| 国产高清视频一区二区乱| 国产午夜福利高清在线观看| 久久精品波多野结衣| 91亚洲国产成人久久蜜臀| 丁香五月婷激情综合第九色| 日韩精品国产二区三区| 国产中年熟女大集合| 国产精品户外野外| 久久久国产成人一区二区| 1精品啪国产在线观看免费牛牛 | 亚洲乱色一区二区三区丝袜| 99久久精品费精品国产一区二 | 国产一区二区三区精品综合 | 亚洲人成亚洲人成在线观看| 成人伊人青草久久综合网 | 国产精品人成在线观看免费| 国产乱色国产精品免费视频| 久热这里只精品视频99| 精品国产女同疯狂摩擦2| 亚洲精品久荜中文字幕| 久久久精品94久久精品| 国产成人久久精品流白浆| 日韩熟女精品一区二区三区 | 少妇激情一区二区三区视频| 日韩精品人妻黄色一级片| 精品一卡2卡三卡4卡乱码精品视频 | 免费大片黄国产在线观看| 日本a在线播放| 国产成人亚洲无码淙合青草| 欧美性XXXX极品HD欧美风情| 亚洲国产午夜福利精品| 国产精品夫妇激情啪发布| 中文亚洲成A人片在线观看| 四虎国产精品永久地址99| 亚洲精品一区二区制服| 97在线视频人妻无码| 东京热大乱系列无码| 国产免费性感美女被插视频| 99久久国产成人免费网站|