Huawei E5221 Technical specifications

Product Description
HUAWEI E5221 Mobile WiFi
V100R001
Issue
03
Date
2013-05-06
HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI E5221 Mobile WiFi V100R001
Product Description
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Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service.
Please feel free to contact our local office or company headquarters.
Huawei Technologies Co., Ltd.
Address:
Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website:
http://www.huawei.com
Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
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and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
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
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About This Document
Summary
This document provides information about the major functions, supported services
and system architecture.
The following table lists the contents of this document.
Chapter
Details
1 Overview
The supported network modes, basic services and functions,
and the appearance of the product.
2 Features
The supported features and technical specifications of the
product.
3 Services and
Applications
The services and applications of the product.
4 System
Architecture
The architecture of the product.
5 Packing List
The items contained in the package of the product.

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History
Issue
Details
Date
01
First release.
2013-02-21
02
Change the dimensions(H × W × D) from “14.6
mm×90.5 mm×57.0 mm”to “14.6 mm×90.2
mm×57.0 mm”
Change the weight from “about 58 g”to “about 68 g”
2013-04-19
03
Delete “DC-HSPA+”from the “Operating frequency
DC-HSPA+/HSPA+/HSPA/UMTS 2100/900 MHz”
2013-05-06

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Contents
1 Overview..........................................................................................................................6
1.1 Brief Introduction .............................................................................................................................. 6
1.2 Branch Type ..................................................................................................................................... 7
1.3 Optional Features............................................................................................................................. 7
2 Features...........................................................................................................................8
2.1 Main Features .................................................................................................................................. 8
2.2 Technical Specifications ................................................................................................................... 9
2.2.1 Hardware ................................................................................................................................. 9
2.2.2 Software ................................................................................................................................ 10
3 Services and Applications ...........................................................................................13
3.1 Data Service................................................................................................................................... 13
3.1.1 Wireless Modem.................................................................................................................... 13
3.1.2 USB Modem .......................................................................................................................... 14
3.1.3 3G/Wi-Fi Auto Offload (Optional)........................................................................................... 14
3.2 SMS................................................................................................................................................ 15
3.3 Sharing Data Stored on the microSD card..................................................................................... 15
4 System Architecture .....................................................................................................16
4.1 System Architecture ....................................................................................................................... 16
4.2 Functional Modules ........................................................................................................................ 17
5 Packing List...................................................................................................................18

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1 Overview
1.1 Brief Introduction
HUAWEI E5221 Mobile WiFi is a high-speed packet access mobile hotspot. It is a
multi-mode wireless terminal for SOHO (Small Office and Home Office) and business
professionals.
The E5221 supports the following standards:
High Speed Packet Access Plus (HSPA+)
High Speed Uplink Packet Access (HSUPA)
High Speed Downlink Packet Access (HSDPA)
Universal Mobile Telecommunications System (UMTS)
Enhanced Data rates for Global Evolution (EDGE)
General Packet Radio Service (GPRS)
Global System for Mobile communications (GSM)
The E5221 provides the following services:
HSPA+ packet data service of up to 21.6 Mbit/s
HSPA (HSUPA/HSDPA)/UMTS packet data service of up to 14.4 Mbit/s
EDGE/GPRS packet data service of up to 236.8 kbit/s
UMTS/GSM Short Message Service (SMS)
You can connect the E5221 with the USB interface of a computer, or connect the E5221
with the Wi-Fi. In the service area of the HSPA+/HSPA/UMTS/EDGE/GPRS/GSM
network, you can surf the Internet and send/receive messages/emails cordlessly. The
E5221 is fast, reliable, and easy to operate. Thus, mobile users can experience many
new features and services with the E5221. These features and services will enable a
large number of users to use the E5221 and the average revenue per user (ARPU) of
operators will increase substantially.
Figure 1-1 shows the appearance of the E5221.

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Figure 1-1 Appearance
1.2 Branch Type
The E5221 has three branch types within Huawei: E5221s-2.
Table 1-1 lists the branch type E5221s-2.
Table 1-1 Branch type E5221s-2
Item
Specifications
Type
E5221s-2
Operating
frequency
HSPA+/HSPA/UMTS 2100/900 MHz
EDGE/GPRS/GSM 1900/1800/900/850 MHz
WLAN：2400–2483.5 MHz
1.3 Optional Features
Optional features refer to features that are not supported by the standard version or are
disabled by default. These features can be customized according to operator or
customer requirements. The E5221's optional features are as follows:
3G/Wi-Fi auto offload
IPv6 /IPv4 dual stack

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2 Features
2.1 Main Features
The E5221 mainly supports the following features:
HSPA+ (DL) data service of up to 21.6 Mbit/s
HSPA+ (UL) data service of up to 5.76 Mbit/s
HSDPA (DL) data service of up to 14.4 Mbit/s
HSUPA (UL) data service of up to 5.76 Mbit/s
UMTS data service of up to 384 kbit/s
EDGE data service of up to 236.8 kbit/s
GPRS data service of up to 85.6 kbit/s
PS domain data service based on UMTS and GSM
SMS based on CS/PS domain of GSM and UMTS
Wi-Fi
Five-second fast boot
Plug and Play (PnP)
3G/Wi-Fi auto offload (optional)
IPv6 /IPv4 dual stack (optional)
Built-in DHCP Server, DNS RELAY and NAT
Online software upgrade
Traffic statistic
Standard Micro USB interface
Micro Secure Digital Memory (microSD) Card
LED indicators
Built-in UMTS and WLAN high gain antenna
Support for HUAWEI Mobile WIFI app
Windows XP, Windows Vista, Windows 7, Windows 8, MAC OS X 10.5, 10.6, 10.7
and 10.8

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2.2 Technical Specifications
2.2.1 Hardware
Table 2-1 lists the hardware specifications.
Table 2-1 Hardware specifications
Item
Specifications
Technical
standard
WAN: HSPA+/HSPA/UMTS/EDGE/GPRS/GSM
WLAN: IEEE 802.11b/g/n
Internal memory
128 MB Flash, 64 MB Memory
Maximum
transmitter
power
UMTS: 24 (+1/-3) dBm
WLAN
802.11b: 14 (+/-3) dBm
802.11g: 11 (+/-3) dBm
802.11n: 9 (+/-3) dBm
Receiver
sensitivity
UMTS: -106 dBm
WLAN 802.11b
-76 dBm@11 Mbit/s
-82 dBm@1 Mbit/s
WLAN 802.11g: -65 dBm@54 Mbit/s
WLAN 802.11n: -64 dBm@65 Mbit/s
WLAN speed
802.11b: Up to 11 Mbit/s
802.11g: Up to 54 Mbit/s
802.11n: Support MCS0–MCS7; Up to 72.2 Mbit/s.
Maximum power
consumption
3.5 W
Power supply
AC: 100–240 V
DC: 5 V, 1 A
Battery
Type: Li (Rechargeable)
Capacity: 3.7 V, 1150 mAh
Maximum working time: 4 hours
Maximum standby time: 200 hours while Wi-Fi is off; 23 hours
while Wi-Fi is often on.
External
interfaces
USB interface: Micro USB
Standard microSD card interface

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Item
Specifications
SIM card: standard 6-pin SIM card interface
Indicators
LED indicators: Signal, Wi-Fi, Battery, SMS
Button
Power switch, Reset switch
Antenna
Built-in GSM/UMTS main antenna
Built-in UMTS diversity antenna
Built-in WLAN antenna
Dimensions
(H × W × D)
14.6 mm×90.2 mm×57.0 mm
Weight
about 68 g (including the battery)
Temperature
Operating: 0℃to +35℃
Storage: -20℃to +60℃
Humidity
5% to 95% (non-condensing)
2.2.2 Software
Table 2-2 lists the software specifications.
Table 2-2 software specifications
Item
Description
SMS
Writing/Sending/Receiving
Sending/Receiving extra-long messages
Storage: Up to 500 messages can be saved in the
internal memory of the E5221.
New message prompt
Network connection
setup
APN management: create, delete and edit.
Set up network connection

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Item
Description
WLAN setup
SSID broadcasting and hiding
Open system and shared key authentication
ASCII and HEX keys
64/128-bit WEP encryption
256-bit WPA-PSK and WPA2-PSK encryption
TKIP and AES encryption algorithm
TKIP and AES integrated encryption algorithm
Automatic adjustment of ratios
STA management
Turn off Wi-Fi automatically
WLAN MAC filter
Firewall setup
Firewall Switch
LAN IP Filter
Virtual Server
DMZ Service
UPnP Service
WAN Ping block
NAT setup
CONE NAT
Symmetric NAT
VPN passthrough
DHCP setup
DHCP server enabling and disabling
Address pool of the DHCP server setup
DHCP lease time setup
Software installation
Automatic installation (PnP)
3G/Wi-Fi auto offload
(optional)
Accessing to WAN via 3G or Wi-Fi
Automatic offload between 3G and Wi-Fi
IPv6/IPv4 dual stack
(optional)
DHCPv6/v4 server and client
DNSv6/v4 server and client
Display IPv6/v4 WAN address
Other
Network connection settings:
Automatic network selection and registration
Manual network selection and registration
Network status display: signal, operator name, system
mode, and so on.

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Item
Description
Selection of network connection types, for example:
3G Only
2G Only
Auto
PIN management: activate/deactivate PIN, PIN lock,
changing PIN, unblocking by using the PUK.
System requirement
Windows XP, Windows Vista, Windows 7, Windows 8
Mac OS X 10.5, 10.6, 10.7 and 10.8
Your computer’s hardware system should meet or
exceed the recommended system requirements for the
installed version of OS

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3 Services and Applications
3.1 Data Service
3.1.1 Wireless Modem
The E5221 can be used as a wireless modem when the Wi-Fi is enabled. You can
access the Internet service through setting up the wireless network connection with
the E5221.
A maximum of ten wireless users can access the E5221 at the same time. You can set
up the WLAN with the access point (AP) function.
Figure 3-1 Multi-device access via Wi-Fi

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Figure 3-2 Multi-device access via Wi-Fi and USB at the same time
3.1.2 USB Modem
After you connect the E5221 and PC with a USB data cable, the E5221 driver is
installed on the PC automatically and the shortcut of the web page is displayed on the
PC desktops. You can configure APN on the E5221 WEB page (or directly use the
default settings) and set up a network connection. Then you can send or receive
E-mail, access the Internet, and download files through wireless data channels.
Figure 3-3 One-device access via USB
3.1.3 3G/Wi-Fi Auto Offload (Optional)
The E5221 allows you to access the Internet via 3G or Wi-Fi. When you are using the
E5221 in areas with a Wi-Fi hotspot, for example, an airport, a cafe, a hotel, or your
home, the E5221 switches to Wi-Fi connection automatically, saving your 3G network
traffic fees.
After the function is enabled, a maximum of five wireless users can access the E5221
at the same time.

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Figure 3-4 3G/Wi-Fi auto offload
3.2 SMS
The E5221 supports message writing/sending/receiving. You can manage messages
through the WEB page, such as an inbox, an outbox and a draft.
3.3 Sharing Data Stored on the microSD card
After the microSD card is inserted, you can store data on the card or use the web
management page to share data stored on the card.

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4 System Architecture
4.1 System Architecture
Figure 4-1 shows the system architecture.
Figure 4-1 System architecture
Protocol stack
Bottom layer drivers
(include USB, Wi-Fi
and user interface)
Application
systerm
WEB page
WEB server
User
interface USB
Wi-Fi
Baseband signal
processing
Radio frequency
module
Power module
Software module
Mobile WiFi
PC
Mobile
phone/Tablet
USB / Wi-Fi
Wi-Fi
Hardware module

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4.2 Functional Modules
1. Radio frequency module: It sends/receives radio signals and
modulates/demodulates the radio frequency (RF) signals and baseband signals.
2. Baseband signal processing: It processes
HSPA+/HSPA/UMTS/EDGE/GPRS/GSM baseband digital signals, including:
Modulating/Demodulating HSPA+/HSPA/UMTS baseband signals
Modulating/Demodulating EDGE/GPRS/GSM baseband signals
Encoding/Decoding HSPA+/HSPA/UMTS channel
Encoding/Decoding EDGE/GPRS/GSM channel
3. Bottom layer driver: It drives peripherals, including USB device, Wi-Fi device,
indicator, button, SIM card and microSD card.
4. Protocol stack system: It processes protocols of
HSPA+/HSPA/UMTS/EDGE/GPRS/GSM and TCP/IP.
5. Application system: It provides management system, including SMS, PS
domain service, Wi-Fi configuration, network service, WEB service and WEB
page. The user can set management parameters by WEB page.
6. User interface: It provides human-computer interaction, including indicator and
button.

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5 Packing List
This chapter describes the items contained in the package of the E5221.
Table 5-1 lists the items contained in the package of the E5221.
Table 5-1 Packing list of the E5221
Item
Quantity
Remarks
Mobile WiFi
1
Standard
Rechargeable Battery (1150 mAh)
1
Standard
USB Cable (17 cm)
1
Standard
Quick Start
1
Standard
Safety Information
1
Standard
Power Adapter
1
Optional
Warranty Card
1
Optional

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A Acronyms and Abbreviations
2G
The Second Generation
3G
The Third Generation
AES
Advanced Encryption Standard
APN
access point name
ARPU
average revenue per user
ASCII
American Standard Code for Information Interchange
CS
circuit switched
DHCP
Dynamic Host Configuration Protocol
DMZ
demilitarized zone
DNS
Domain Name Server
EDGE
Enhanced Data Rates for GSM Evolution
GPRS
General Packet Radio Service
GSM
Global System for Mobile Communications
HSPA+
High Speed Packet Access Plus
HSUPA
High Speed Uplink Packet Access
HSDPA
High Speed Downlink Packet Access
IEEE
Institute of Electrical and Electronics Engineers
IP
Internet Protocol
LED
light emitting diode
MAC
Medium Access Control
Modem
Modulator Demodulator
NAT
Network Address Translation
OS
Operating System

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PC
personal computer
PIN
personal identification number
PS
packet switched
PUK
PIN unblocking key
SIM
subscriber identity module
SMS
short messaging service
SOHO
small office home office
SSID
Service Set Identifier
TKIP
Temporal Key Integrity Protocol
UMTS
Universal Mobile Telecommunications System
UPnP
Universal Plug and Play
USB
Universal Serial Bus
VPN
Virtual Private Network
WAN
wireless area network
WEP
wired equivalent privacy
Wi-Fi
Wireless Fidelity
WLAN
wireless local area network
WPA
Wi-Fi Protected Access