Huawei ME909u-521 Hardware Manual page 66

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Item
Low-temperature
operating
High-temperature
operating
Temperature
cycle operating
Damp heat
cycling
Thermal shock
Salty fog test
Issue 05 (2017-12-15)
Test Condition
Temperature: –30º C

 Operation mode: working
with service connected

Test duration: 24 h
 Temperature: 75º C
 Operation mode: working
with service connected

Test duration: 24 h
 High temperature: 75º C

Low temperature: -30º C
 Operation mode: working
with service connected

Test duration: 30 cycles;1
h+1 h/cycle

High temperature: 55º C
 Low temperature: 25º C

Humidity: 95%±3%
 Operation mode: working
with service connected

Test duration: 6 cycles;
12 h+12 h/cycle
Low temperature: –40º

 High temperature: 85º C
 Temperature change
interval: < 20s
 Operation mode: no
power

Test duration: 100 cycles;
15 min+15 min/cycle

Temperature: 35° C
 Density of the NaCl
solution: 5%±1%

Operation mode: no
power, no package

Test duration:
Spraying interval: 8 h
Exposing period after
removing the salty fog
environment: 16 h
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Copyright © Huawei Technologies Co., Ltd.
Electrical and Reliability Features
Standard Sample
size
IEC6006 3 pcs/group
8-2-1
JESD22- 3 pcs/group
A108-C
JESD22- 3pcs/group
A105-B
JESD22- 3 pcs/group
A101-B
JESD22- 3 pcs/group
A106-B
JESD22- 3 pcs/group
A107-B
Results
Visual inspection: ok
Function test: ok
RF specification: ok
Visual inspection: ok
Function test: ok
RF specification: ok
Visual inspection: ok
Function test: ok
RF specification: ok
Visual inspection: ok
Function test: ok
RF specification: ok
Visual inspection: ok
Function test: ok
RF specification: ok
Visual inspection: ok
Function test: ok
RF specification: ok
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