The Wi-Fi module, also known as the serial port Wi-Fi module, belongs to the transmission layer of the Internet of Things. Its function is to convert the serial port or TTL level into an embedded module that conforms to the Wi-Fi wireless network communication standard. The built-in wireless network protocol IEEE802.11b.gn Protocol stack and TCP/IP protocol stack. Traditional hardware devices embedded in Wi-Fi modules can directly use Wi-Fi to connect to the Internet, which is an important part of realizing wireless smart home, M2M and other Internet of Things applications. The product needs to apply for the SRRC certification established by China for radio because of its wireless transmission function.
At present, China has set special frequency ranges for different types of radio transmission equipment, and not all frequencies are legally used in China. In other words, all radio transmitting equipment sold or used in its territory will specify different frequencies. In addition, applicants must pay attention to the scope of certain radio transmission equipment. Not only must they apply for "Radio Type Approval Certification", they must also apply for China Compulsory Certification (CCC) or Network Access Permit (MII) approval.
SRRC certification information of wifi module
1. Application form (two copies);
2. Power of attorney (two copies);
3. The customer's business license (Business license);
4. The customer’s ISO certificate or company profile and company capability description;
5. Product circuit diagrams, instructions, block diagrams, and related test reports (such as FCC ID);
6. Antenna Peak Gain and Antenna pattern;
7. Test direction (Test direction);
8. The company's business license (the annual inspection cannot expire);
9. Three color photos of EUT (must include each interface and each side);
10. Frequency channel comparison table (only if there are many working channels, such as DSSS or FHSS products).
SRRC certification process
1. Application Procedure
(1) To apply for approval of radio transmission equipment, the following materials shall be submitted:
1. "Application Form for Model Approval of Radio Transmission Equipment";
2. A copy of the “Business License of Enterprise Legal Person” of the applicant, and an introduction to the production capacity, technical strength, and quality assurance system of the applicant;
3. Equipment model technical specification or technical manual, circuit block diagram or schematic diagram and instruction manual;
4. A set of color photos of the equipment, the photos must clearly show the applicant unit, equipment model, equipment serial number, and the structural size of the equipment;
5. The equipment of the foreign applicant unit provides a copy of the certification document of the foreign approval status;
6. If the handling unit is an agency applying unit, it is required to submit the "Power of Attorney for Approval of Radio Transmission Equipment Model" and a copy of the "Corporate Legal Person Business License" of the agency applying unit;
7. The type approval ``test report'' of the equipment within half a year issued by the testing agency recognized by the Radio Administration;
8. The person in charge of the application unit or the agency application unit must hold a copy of the company’s employee identity certificate and personal valid identity certificate presented by the equipment application unit or agency application unit.
(2) The domestic application unit or its entrusted agency application unit submits an application to the radio management agency of the province, autonomous region, or municipality directly under the Central Government. The radio management agencies of all provinces, autonomous regions and municipalities directly under the Central Government shall complete the preliminary examination within 20 working days from the date of acceptance of the application. If the preliminary review does not agree, the application materials shall be returned to the applicant unit. If the preliminary review agrees, the application materials shall be submitted to the Radio Regulatory Bureau of the Ministry of Information Industry.
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