DC-HSPA+ USB Modem
Quick Guide
MF681
LEGAL INFORMATION
Copyright © 2012 ZTE CORPORATION.
All rights reserved.
No part of this publication may be excerpted, reproduced, translated or utilized in any form or
by any means, electronic or mechanical, including photocopying and microfilm, without the prior
written permission of ZTE Corporation.
This guide is published by ZTE Corporation. We reserve the right to make modifications on print
errors or update specifications without prior notice.
Version No. : R1.0
Edition Time : April 5, 2012
Manual No. : 079584504465
Introduction
The ZTE USB modem is a multi-mode USB modem, working in GSM/GPRS/EDGE/UMTS/
HSDPA/HSUPA/DC-HSPA+ networks. With an USB interface connecting to a laptop or a desktop
PC, it integrates the functionality of a modem and a mobile phone (SMS), and combines mobile
communication with Internet perfectly. It supports data and SMS services through the mobile
phone network, enabling you to communicate anytime and anywhere.
Specification
The following table shows the specification of your device.
Systems supported
Supports most types of laptop and desktop PC.
Operating systems supported
Windows XP, Vista, Windows 7, Mac, Linux (some distributions)
Functions
SMS service, Data service, Phonebook, etc.
Transmission speed (Max)
DC-HSPA+: 42.2Mbps
Storage temperature
-40
°C
~ +80
°C
Dimension
78mm×28.2mm×13.5mm
Getting to Know Your Device
The following figure shows the appearance of the MF681. It is only for your reference. The
actual product may be different.
1. Retractable USB 2.0 connector
2. LED Indicator
3. Sliding button for extending and retracting
the USB connector
4. External antenna connector
5. Back cover with microSD card and SIM card
slots underneath
Installation Guide
Installing Hardware
1. Remove the back cover on the modem.
2. Insert the SIM/USIM card into the SIM/USIM
card slot.
Insert the SIM/USIM card into the slot with the
metal contact area facing downwards, and
then push SIM/USIM card as far as possible,
as shown in the following picture.
MF681
MF681 QSG.indd 1
2012-4-24 16:34:06
