HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide
Figures
Issue 01 (2010-12-09)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iv
Figures
Figure 2-1
Circuit block diagram of the EM820W module
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Figure 2-2
Application block diagram of the EM820W module
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Figure 3-1
HUAWEI EM820W power supply time sequence.
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Figure 3-2
USIM interface schematic on PC
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Figure 3-3
Pin definition of the SIM card Socket
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Figure 3-4
LED_WWAN# signal reference circuit diagram
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Figure 3-5
LED typical electro-optical characteristics curves
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Figure 4-1
SATIMO microwave testing chamber
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Figure 4-2
Recommended antenna positions
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Figure 4-3
ESD protection circuit recommended for the antenna interface
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Figure 6-1
Dimensions of the EM820W
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Figure 6-2
Dimensions of the Mini PCI Express connector
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Figure 7-1
Circuits of typical interfaces in the EM820W module
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