
The composition consists of components such as oscillation, modulation, and power amplification. Classified by electrical signal category, radio frequency, transmitter power, and modulation method, it is divided into various types such as telegraph transmitters, telephone transmitters, broadcasting transmitters, television transmitters, and ultra short wave frequency modulation transmitters. The radio transmitter used for communication is called a "transmitter". [1] On January 10, 2019, the Ministry of Industry and Information Technology issued the "Implementation Measures for the Sales and Filing of Radio Transmission Equipment (Provisional)". The "Measures" clearly stipulate the establishment of a nationwide unified information platform for the sales and filing of radio transmission equipment. Those who sell radio transmission equipment shall, within 10 working days from the start of sales, apply for sales and filing procedures through the information platform to the provincial radio management agency in the place of registration&Nbsp P>
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China