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HUAWEI EM820W HSPA+ PC Embedded Module
User Guide
4.1 Usage of the EM820W Simplified Board
Connect the devices as follows to establish the test environment: Connect one end of
the module to the Mini PCI-E connector, and lock the other end to the locker. Insert
the SIM card into the card holder, and connect the PC and the board with the USB
cable as shown in the Figure 4-1. Note that you can connect the USB cable only after
the module is inserted into the Mini PCI-E connector and fixed, and the SIM card is
inserted into the holder.
Figure 4-1 Connection between the module and the CMU200
When performing the wired radio frequency (RF) index test, connect the CMU200
and the RF interface of the module with the special RF cable (see Figure 4-2 for the
main and diversity connection methods). The compensation of line loss of CMU200 is
about 0.7 dBm.
Issue 01 (2010-12-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Usage Guide
Usage Guide
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