GB/T 18655-2025: Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers

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Scope

This document contains limits and procedures for the measurement of radio
disturbances in the frequency range of 150 kHz ~ 5 925 MHz. This document applies
to vehicles, boats, trailers, internal combustion engines-driven devices and any
electronic/electrical component intended for use in vehicles, boats, trailers and devices.
The details of frequency distribution in this document refer to the International
Telecommunications Union (ITU) publications and actual applications in China. The
limits are intended to provide protection for on-board receivers installed in a vehicle
from disturbances produced by components/modules in the same vehicle.
The receiver types to be protected are, for example, broadcast receivers (sound and
television), land mobile radio, radio telephone, amateur, citizens' radio, Satellite
Navigation (Beidou, GPS etc.), Wi-Fi, V2X, and Bluetooth. This document does not
include protection of electronic control systems from radio frequency (RF) emissions
or from transient or pulse-type voltage fluctuations. These are included in other
standardization committee publications.
Note 2.It is usual for customers and suppliers to use radio regulation standards to
manage the effect of spurious emissions from a radio transmitter unless limits
of spurious emission are agreed in the test plan.
Note 3.For the flow chart for checking the applicability, see Annex A.

Basic Data

Standard ID	GB/T 18655-2025 (GB/T18655-2025)
Description (Translated English)	Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	L06
Classification of International Standard	33.100
Word Count Estimation	166,167
Date of Issue	2025-02-28
Date of Implementation	2025-02-28
Issuing agency(ies)	State Administration for Market Regulation, National Standardization Administration