User Guide

All Rights reserved, No Spreading abroad without GOSUNCN Permission
65
GM500-U1G_A
Hardware Development Guide
Normal working condition -30°C 75°C All the indexes are good.
Extreme working condition -40~ -30°C 75~85°C Some indexes become poorer.
Storage -40°C 85°C Storage environment of module
Table 6-3 Testing Instrument & Device
Testing Item Instrument & Device
RF test Comprehensive testing device
RF cable
Tower antenna
Microwave darkroom
High/Low-temperature running & storage test High/Low-temperature experimental box
Temperature shock test Temperature shock experimental box
Vibration test Vibration console
6.3. Reliability Testing Environment
The reliability test includes the vibration test, high/low-temperature running, high/low-temperature storage and temperature
shock experiment test. Refer to Table 6-4 for the specific parameters.
Table 6-4 Reliability Features
Test Item Test Condition Test Standard
Random vibration Frequency range: 5-20Hz, PSD: 1.0m2/s3
Frequency range: 20-200Hz, -3dB/oct
3 axis, 1 hour for each axis
IEC 68-2-6
Temperature shock Low temperature: -40°C ± 2°C
High temperature: +80°C ± 2°C
Temperature changing period: less than 30s
Test duration: 2 hours
Cycle: 10
IEC 68-2-14 Na
High-temperature running Normal high temperature: 75 °C
Extreme high temperature: 85°C
Duration: 24 hours
GOSUNCN standard
Low-temperature running Normal low temperature: -30°C
Extreme low temperature: -40°C
Duration: 24 hours
GOSUNCN standard
High temperature & high humidity Temperature: +60°C
Humidity: 95%
Duration: 48 hours
GOSUNCN standard
High temperature storage Temperature: 85°C
Duration: 24 hours
IEC 68-2-1 Ab
Low temperature storage Temperature: -40°CDuration: 24 hours IEC 68-2-2 Bb