Huawei EM772 User manual

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Notice

The information in this document is subject to change without notice. Every effort

has been made in the preparation of this document to ensure accuracy of the

contents, but all statements, information, and recommendations in this document

do not constitute the warranty of any kind, express or implied.

Table of Contents

Getting to Know the EM772............................................................. 1

Requirements for the PC................................................................. 2

Preparing the EM772...................................................................... 3

Installation Guide .......................................................................... 4

Safety Information........................................................................10

Thank you for purchasing Huawei EM772 HSPA/Wi-Fi

Module.

Note:

This manual briefly describes the preparation, the process for

installing/uninstalling, and safety precautions for using Huawei EM772

HSPA/Wi-Fi Module (hereinafter referred to as the EM772).

You are recommended to read the manual before using the EM772.

The signal strength and the transmission rate are affected by the actual

environment.

Getting to Know the EM772

The following figure shows the appearance of the EM772. The actual product may

differ.

Mini PCI Express connector

It is used to connect the EM772 to the WWAN Mini PCI Express interface of the PC.

Screw holes

They are used to fix the EM772 on the main board of the PC with screws.

Antenna interfaces

They are used to connect antennas.

EM772 has an external antenna which connect with laptop.

The max gain which is allowed of external antenna is ：

900M:<2.1dBi

1800M:<2.6dBi

2100M:<4.3dBi

850M:<4.28dBi

1900M:<3.6dBi

Requirements for the PC

To use the EM772, the PC must meet the following requirements:

WWAN Mini PCI Express interface.

Windows 2000 SP4, Windows XP SP2, Windows Vista and Linux 2.6.18 or

above

The hardware of your PC must meet or exceed the recommended system

requirements for the installed version of OS.

Display resolution: 800 × 600 or above.

Preparing the EM772

Locate the WWAN Mini PCI Express interface on the main board of the PC. Find the

main antenna and the auxiliary antenna.

If a USIM/SIM card is provided by your service provider, insert the USIM/SIM card

into the USIM/SIM card slot on the main board of the PC.

Note:

In certain cases, your PC may be disassembled only by the professionals.

Before you install the EM772 onto the main board of the PC, consult the PC

manufacturer or read the user manual of the PC.

Installation Guide

Installing the EM772 onto the Main Board of the PC

1. Insert the Mini PCI Express connector of the EM772 into the WWAN Mini PCI

Express interface on the main board of the PC.

2. Press downwards to fix the EM772 in the module slot.

3. Use a screwdriver to fix the EM772 onto the main board of the PC with two

screws provided in the EM772 packing box.

4. Insert the connector of the main antenna into the MAIN antenna interface (M)

of the EM772 according to the indication on the label of the EM772. Insert the

connector of the auxiliary antenna into the AUX antenna interface (A) of the

EM772 in the same way.

Note:

Insert the antenna connectors vertically into the antenna interfaces of the

EM772.

Do not pinch the antenna cable or damage the connectors. Otherwise, the

wireless performance of the EM772 may be reduced or the EM772 cannot

work normally.

Ensure that the antenna cables are routed through the channel in the frame of

the PC and do not lay across the raised edges of the frame.

Removing the EM772 from the Main Board of the PC

1. Disconnect the antenna cables from the EM772. You can lift the connectors

with a small screwdriver.

2. Remove the two screws with the screwdriver.

3. Slide backwards the two clips to release the EM772 from the slot. Then, lift up

the EM772.

Installing the EM772 Software

A disk is provided in the EM772 packing box. The disk contains the management

program and the driver of the EM772.

1. Insert the disk into the disk drive of the PC.

2. Find the AutoRun.exe file under the disk path. Then double-click

AutoRun.exe to run the program.

3. Follow the prompts of the installation wizard.

4. After the program is installed, the shortcut icon of the management program

is displayed on the desktop.

Uninstalling the Management Program

1. Choose Start > Control Panel.

2. Find the management program, and click Add/Remove Program to

uninstall the management program.

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