Overall Description; About This Chapter; Function Overview; Table 2-1 Feature - Huawei EM820W Hardware Manual

HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide

2.1 About This Chapter

This chapter gives a general description of the EM820W module and provides:

2.2 Function Overview

Table 2-1 Feature

Feature
Working bands
Working
temperature
Ambient
temperature for
storage
Power voltage
AT commands
Application
interface (52pin
Mini PCI-E
interface)
Issue 01 (2010-12-09)
Function Overview
Circuit Block Diagram
Application Block Diagram
Description
GSM/GPRS/EDGE 850/900/1800/1900 (MHz)
HSPA+/HSUPA/HSDPA/WCDMA 2100/1900/900/850 (MHz)
Normal working temperature: –10°C to +55°C
Extreme working temperatures: –20°C to –10°C and +55°C to
+70°C
–40°C to 85°C
3.3 V±9 %(3.3 V is recommended)
See the HUAWEI EM820W HSPA+ PC Embedded Module
Software Guide Specification.
One standard Subscriber Identity Module (SIM) card interface (3
V or 1.8 V)
USB 2.0 (high speed)
WAKE#: Wake up signal
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2

Overall Description

Overall Description
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