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HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide Electrical and Reliability Features
Issue 01 (2010-12-31)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
33
Description Test Value Units PCL Configuration
194 1 Up/1 Down
257 2 Up/1 Down
341
mA 2
4 Up/1 Down
142 1 Up/1 Down
177 2 Up/1 Down
EDGE1900
218
mA 10
4 Up/1 Down
Table 5-6 DC power consumption(Idle and Suspend)
Idle Suspend Scenario
Offline
Enabled
Offline
Disabled
Offline
Enabled
Offline
Disabled
Unit
WCDMA 2100MHz
DRX = 8 (2.56 s)
66.3 72.7 4.1 5.8 mA
GSM 900MHz
MFRM = 5 (1.18 s)
70.6 73.1 4.1 7.8 mA
z
In idle mode, the module is registered to the network, USB bus is active, and no voice or
data call connection is ongoing.
z
The above values are the average of some test samples.
5.6 Reliability Features
Table 5-7 lists the test conditions and results of the mechanical reliability of the
EM820W module.
Table 5-7 Test conditions and results of the mechanical reliability of the EM820W module
Item Test Condition Standard
Low-temperature
storage
Temperature: –40±2ºC
Test duration: 24 h
IEC60068
High-temperature
storage
Temperature: 85±2ºC
Test duration: 24 h
IEC60068