Standards

YD/T 6534-2025 Active

YD/T 6534-2025 "Technical requirements for specialized single-mode non-handheld terminals in the Tianchi One satellite mobile communication system industry."

This document specifies the technical requirements for the industry-specific single-mode non-handheld terminals of the Tian Tong-1 satellite mobile communication system in terms of services, functions, performance, reliability, radio frequency, audio, communication radiation interference and anti-interference, specific absorption rate, antenna performance, etc. This document is applicable to the research, development, design, production, and testing of industry-specific single-mode non-handheld terminals of the Tian Tong-1 satellite communication system.

Publish Date: 2025-12-17

YD/T 6535-2025 Active

YD/T 6535-2025 Test method for dedicated industry-specific single-mode non-handheld terminals for the Tianzhong No.1 satellite mobile communication system

This document describes the testing methods for the industry-specific single-mode non-handheld terminals of the Tian Tong-1 satellite mobile communication system in terms of their services, functions, user interfaces and menus, performance, reliability, radio frequency, audio, communication radiation interference and anti-interference, and specific absorption rate. This document is applicable to the research, development, production, and testing of industry-specific single-mode non-handheld terminals of the Tian Tong-1 satellite communication system.

Publish Date: 2025-12-17

YD/T 6536-2025 Active

YD/T 6536-2025 5G Lightweight (RedCap) Terminal Equipment Technical Requirements (Phase 1) for 5G Digital Cellular Mobile Communication Network

This document specifies the requirements for the transmission capability, service capability, basic protocol functions, radio frequency, interface, power consumption, and security of 5G lightweight terminal devices in the low- and medium-frequency bands (Sub-6GHz). This document is applicable to the research, development, production, and testing of modules, user premises equipment, industry terminals, and wearable devices, but it is not applicable to the research, development, and testing of digital mobile phones.

Publish Date: 2025-12-17

YD/T 6627.1-2025 Active

YD/T 6627.1-2025 Testing Methodology for Lightweight (RedCap) Terminal Devices in 5G Digital Cellular Mobile Communication Network (Phase 1): Part 1: Functional and Network Compatibility Testing

This document describes the basic functions, services, and network compatibility testing methods of 5G lightweight (RedCap) terminal devices. This document is applicable to the testing of devices such as modules, user premises equipment, industrial terminals, and wearable devices, but it is not applicable to the testing of digital mobile phones.

Publish Date: 2025-12-17

YD/T 6537-2025 Active

YD/T 6537-2025 5G Digital Cellular Mobile Communication Network Base Station Equipment Technical Requirements (Third Stage) for Frequencies Below 6 GHz

This document specifies the basic requirements for 5G base stations supporting RedCap in the frequency range below 6GHz, as well as other functional requirements such as MIMO enhancement, small data packet transmission, and coverage enhancement, along with performance and interface requirements for base station equipment. This document is applicable to the research, development, production, and testing of base station equipment for 5G digital cellular mobile communication networks in the frequency range below 6GHz.

Publish Date: 2025-12-17

YD/T 6538-2025 Active

YD/T 6538-2025 Test Methods for Base Station Equipment in 5G Digital Cellular Mobile Networks and Below 6 GHz Frequency Bands (Phase 3)

This document describes the basic requirements for 5G base stations supporting lightweight (RedCap) in the frequency range below 6GHz, as well as the testing methods for functions such as MIMO enhancement, small packet transmission, coverage enhancement, support for terminal power saving, emergency calls, uplink enhancement, uplink data compression, and downlink 1024QAM modulation. This document is applicable to the research and development, production, and testing of base station equipment for 5G digital cellular mobile communication networks in the frequency range below 6GHz.

Publish Date: 2025-12-17

YD/T 6539-2025 Active

YD/T 6539-2025 5G multi-mode digital indoor distribution system technical requirements

This document specifies the networking architecture, functional requirements, device form factors, radio performance and RF indicators, network management function requirements, environmental requirements, power adaptability requirements, and security requirements of LTE/5G multi-mode digital indoor distribution systems. This document is applicable to the research and development of LTE/5G multi-mode digital indoor distribution system equipment.

Publish Date: 2025-12-17

YD/T 508-2025 Active

YD/T 508-2025 Microwave communication system parabolic antenna technical requirements and testing methods

This document specifies the electrical performance indicators of the parabolic antenna of the microwave communication system, including its radiation pattern, cross-polarization discrimination ratio, and gain, as well as mechanical performance indicators such as wind resistance, antenna adjustment range, and airtightness. It also outlines the technical requirements and testing methods for environmental tests including high- and low-temperature exposure, impact, and vibration. This document is applicable to the design, manufacture, and inspection of parabolic antennas for microwave communication systems.

Publish Date: 2025-12-17

YD/T 2869.3-2025 Active

YD/T 2869.3-2025 Performance Requirements and Measurement Methods for Terminal MIMO Antennas Part 3: 5G NR Wireless Terminals (mmWave)

This document specifies the general requirements for performance measurement methods of spatial radio frequency receivers for 5G NR wireless terminals (mmWave) with MIMO antennas. It mainly includes throughput performance measurement methods and performance requirements in specific channel scenarios. This document is applicable to the over-the-air (OTA) testing of 5G NR wireless terminals that support the millimeter wave frequency band.

Publish Date: 2025-12-17

YD/T 1312.1-2025 Active

YD/T 1312.1-2025 Wireless communication equipment electromagnetic compatibility requirements and measurement methods - Part 1: General requirements

This document specifies the electromagnetic compatibility (EMC) limits, performance criteria, and measurement methods for wireless communication devices and their associated auxiliary equipment. This document is applicable to the electromagnetic compatibility testing of wireless communication devices, excluding broadcast receivers.

Publish Date: 2025-12-17

YD/T 1484.10-2025 Active

YD/T 1484.10-2025 Wireless terminal spatial radio frequency radiation power and receiver performance measurement method - Part 10: Cat1bis wireless terminals. (English translation only)

This document specifies the measurement methods for the spatial radio frequency radiation power and receiver performance of Cat1bis wireless terminals, including the frequency range and limit values. This document is applicable to the over-the-air (OTA) testing of wireless terminals equipped with Cat1bis communication modules.

Publish Date: 2025-12-17

YD/T 2583.2-2025 Active

YD/T 2583.2-2025 Cellular Compatibility Requirements and Measurement Methods Part 2: General Requirements for User Equipment and Its Auxiliary Equipment

This document specifies the electromagnetic compatibility (EMC) requirements and test methods for cellular mobile communication user equipment and its auxiliary equipment, including measurement methods, limit values, and performance criteria. This document is applicable to the electromagnetic compatibility testing of user equipment and its auxiliary equipment in cellular mobile communication systems.

Publish Date: 2025-12-17