Huawei ME909s Series - Page 55

HUAWEI ME909s Series LTE Mini PCIe Module
Hardware Guide
Electrical and Reliability Features
Issue 02 (2016-09-07)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
55
Item
Test Condition
Standard
Sample size
Results
Damp heat
cycling

High temperature:
55ºC

Low temperature:
25ºC

Humidity: 95%±3%

Operation mode:
working with service
connected

Test duration: 6
cycles; 12 h+12
h/cycle
JESD22-
A101-B
3 pcs/group
Visual inspection: ok
Function test: ok
RF specification: ok
Thermal shock

Low temperature:
–40ºC

High temperature:
85ºC

Temperature change
interval: < 20s

Operation mode: no
power

Test duration: 100
cycles; 15 Min+15
Min/cycle
JESD22-
A106-B
3 pcs/group
Visual inspection: ok
Function test: ok
RF specification: ok
Salty fog test

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
JESD22-
A107-B
3 pcs/group
Visual inspection: ok
Function test: ok
RF specification: ok
Sine vibration

Frequency range: 5 Hz
to 200 Hz

Acceleration: 1 Grms

Frequency scan rate:
0.5oct/min

Operation mode:
working with service
connected

Test duration: 3 axial
directions. 2 h for each
axial direction
JESD22-
B103-B
3 pcs/group
Visual inspection: ok
Function test: ok
RF specification: ok