This document outlines the technical requirements, test methods, and inspection rules for language repeaters in China.
This standard specifies the general specifications for portable and desktop language repeaters. It covers classification, operating conditions, appearance, structure, functions, and performance parameters such as recording/playback quality, tuning reception, safety, electromagnetic compatibility, durability, and packaging.
The document details specific technical requirements including power supply adaptability, frequency response ranges (526.5-1606.5 Hz), signal-to-noise ratios, and shock resistance tests. It also defines inspection rules for production batches and provides guidelines for labeling, packaging, transportation, and storage. This manual is written in Chinese.
| Atmospheric Pressure | 86 kPa to 106 kPa |
|---|---|
| Frequency Response Range | 526.5 Hz to 1606.5 Hz |
| Mean Time Between Failures (MTBF) | Minimum 1000 hours |