Introduction
The ZTE USB modem is a multi-mode USB modem, working in LTE FDD/UMTS/EDGE/GSM networks.
With 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.
Interface Type
USB 2.0 HIGH SPEED
Systems supported
Supports most types of laptop and desktop PC.
Operating systems supported Windows XP, Vista, Windows 7
MAC 10.5, 10.6, 10.7,
Functions
SMS service, Data service, Applications management, etc.
Network Standards
LTE FDD/UMTS/EDGE/GSM
Transmission speed (Max)
LTE-FDD: 100Mbps DL, 50Mbps UL
HSUPA: 5.76Mbps UL, HSDPA: 42Mb/s DL
WCDMA PS: UL 384kbps, DL 384kbps
Temperature
Storage: -40°C ~ +80°C
Operation:-10°C ~ +45°C
Dimension
87.3mm×29.5mm×14mm
microSD capability
Support up to 32GB microSD card
Notes:
microSD
is a trademark of SD Card Association.
Getting to know your device
The following figure shows the appearance of the MF821D . It is only for your reference. The actual
product may be different.
1. USB Connector
2. Front Cover
3. Indicator
4. microSD card slot
5. (U)SIM card slot
Hardware Installation
1. Slide the front cover and remove it.
Notes: Do not open the front cover rudely so as to avoid the damage of the front cover.
LTE USB Modem
Quick Guide
MF821D
ZTE CORPORATION
NO. 55, Hi-tech Road South, ShenZhen, P.R.China
Postcode: 518057
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.
The manual 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
Date: April 2012
Manual No.: 079584504500
