Mini Pci Express Interface; Figure 3-2 Sim Card Circuit; Figure 3-3 Mini Pci Express Interface - Huawei EM820W User Manual

HUAWEI EM820W HSPA+ PC Embedded Module
User Guide

Figure 3-2 SIM card circuit

3.3 Mini PCI Express Interface

The interface of the EM820W is a standard Mini PCI Express interface. The EM820W
consists of several major signals, as shown in the following figure.

Figure 3-3 Mini PCI Express Interface

Issue 01 (2010-12-30)
USIM interface: The USIM interface provides the interface for a USIM card. The
USIM card can be inserted into the PC.
USB interface: The USB interface supports three modes of USB 2.0 (low speed,
full speed, and high speed). Because there is not a separate USB-controlled
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Functions of the Interfaces on the
Development Board
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