CMIIT ID 2011CP3428 on a cell phone is the radio transmitting equipment approval code. Where: 2011 represents the year and CP3428 is the cell phone number.
Radio transmitting equipment is defined as a variety of equipment that emits radio waves, but does not include industrial, scientific research, medical equipment, electrified transportation systems, high-voltage power lines and other electrical devices that can radiate electromagnetic waves.
Radio transmitting equipment approval code is reflected in the radio transmitting equipment, including cell phones (with Wifi or Bluetooth function), Bluetooth headsets, wireless routers, wireless network cards and other wireless products.
Expanded Information:
The radio transmitting equipment approval code is used to approve the production of radio transmitting equipment. p>Production of radio transmitting equipment management regulations:
Article 1: In order to strengthen the management of the production of radio transmitting equipment, according to the "People's Republic of China *** and the State Radio Regulations", "the People's Republic of China *** and the State Product Quality Law" to formulate the provisions of this regulation.
Second: Where the Chinese people's *** and the territory of the production (including trial production, the same below) radio transmitting equipment must comply with these provisions.
Article 3: In these provisions, radio transmitting equipment is defined as a variety of equipment that emits radio waves, but does not include industrial, scientific research, medical equipment, electrified transportation systems, high-voltage power lines and other electrical devices that can radiate electromagnetic waves.
Article 4: the production of radio transmitting equipment, are subject to the Office of the State Radio Regulatory Commission (hereinafter referred to as the State Office of the Commission) on the emission characteristics of the type approval, the issuance of "radio transmitting equipment type approval certificate" (see Annex 1) and type approval code (see Annex 2). Factory equipment shall be marked on the label type approval code.
Article V: engaged in radio equipment emission characteristics of the approved test institutions, by the people's government at or above the provincial level product quality supervision and management department or its authorized departments to assess the qualifications, and through the measurement of the certification, by the National Office of the Commission without the recognition.
Assessed by the qualified and certified by the measurement of the testing organization, such as radio equipment can not be approved for some of the emission characteristics of the test, the State Office may temporarily designate the other has been accredited by the China Laboratory Accreditation Board or metrological certification and has the ability to carry out the testing organization in this regard.
Baidu Encyclopedia - Administrative Regulations for the Production of Radio Transmitting Equipment
Baidu Encyclopedia - CMIIT ID