The Regulations are promulgated pursuant to Paragraph 2 of Article 50 of Telecommunications Act (hereinafter shortened as the Act).

The terms used in these Regulations shall be defined as follows:
1. Controlled Telecommunications Radio-Frequency Devices (hereinafter referred to as CTRFDs) refer to controlled telecommunications radio-frequency devices that shall be approved by National Communications Commission (hereinafter referred to as the Commission) in accordance with Paragraph 4 of Article 49 of the Telecommunications Act.
2. Examination Body refers to testing laboratories recognized by the Commission or accredited by domestic accreditation bodies recognized by the Commission for their compliance with CNS 17025 or ISO/IEC 17025 standards.
3. Certification Body refers to the Commission or bodies recognized and commissioned by the Commission to undertake compliance approval for CTRFDs.
4. Product series refer to products that have identical output power, modulation technology, frequency and number of frequency channels with approved CTRFD or Radio-Frequency Modules (Parts), and require no change of the technical specifications and/or main components, such as the PCB layout. Changes are only permitted to the antenna, appearance, auxiliary non-radio-frequency functions, power supply methods, and the brand name or model number of other products. As no change shall be made to the specifications of the product’s hardware, brand name and model number, the transmission power, frequency range or number of channels can be reduced only by means of software updates.
5. Radio-Frequency Modules (parts) refer to transmitters or transceivers that include complete radio-frequency functionality and can be installed on different platforms.
6. Platform refers to the device that features principle functions of that platform excluding radio-frequency modules (parts).
7. Final Product refers to the device assembled of radio-frequency modules (parts) and platform.
8. Approval Certificate(s) refers to approval compliance, type approval certificate, declaration of conformity (hereinafter referred to as DoC) certificate or simplified DoC certificate of CTRFD issued according to the Regulations.

The compliance approval of CTRFD shall be conducted according to the Regulations, except for the provisions of Paragraph 2 and 3.
Compliance Approval Regulations of Telecommunications Terminal Equipment are applicable to telecommunications terminal equipment of CTRFDs and the approval certificate shall be issued accordingly.
CTRFD included compliance approvals for station approval items of regulations governing stations authorized and stipulated according to Paragraph 3 of Article 46 of Telecommunications Act, or station compliance approval that can replace the CTRFD approval shall adhere to administrative regulations relative to each station.

CTRFDs shall comply with technical specifications stipulated by the Commission. Where no technical specification has been stipulated, applicable regulations shall be applied in accordance to the following order:
1. Chinese National Standards (CNS).
2. Standards specified by the international standard organization.
3. Standards specified by the regional standard organization.