Huawei E5785-320a Technical specifications

Product Description
HUAWEI E5785-320a Mobile Wi i
V100R001
Version 01
Date 2022-01-06
HUAWEI DEVICE CO., LTD.

HUAWEI E5785-320a Mobile Wi i V100R001
Product Description
Version 01 (2022-01-06) Secret and confidential Page 2 of 23
Copyright © Huawei 2022. 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.
Trademarks and Permissions
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specified in the contract all statements
information and recommendations in this document are provided "AS IS" without warranties guarantees or
representations of any kind either express or implied.
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 a warranty of any kind express or implied.
Huawei Device Co. Ltd.
Address: No.2 of Xincheng Road Songshan Lake Zone Dongguan Guangdong 523808
People's Republic of China
Website: http://consumer.huawei.com/en/
Email: [e-mail]

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About This Document
Summary
This document introduces the major functions, supported services, and system
architecture of the HUAWEI E5785-320a Mobile Wi i.
The following table lists the contents of this document.
Chapter Details
1 Overview Supported network modes, basic services and functions, and
the appearance of the product
2 eatures Major features and technical specifications
3 Services and
Applications
Supported services
4 System
Architecture
System architecture
5 Packaging Box
Items
Items contained in the packaging box
6 Appendix Supported LTE bandwidths

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History
Version Details Date
01 irst release 2022-01-06

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Contents
1 Overview ...................................................................................................................................................... 6
1.1 Introduction ............................................................................................................................................................................ 6
1.2 Optional eatures ................................................................................................................................................................. 6
2 eatures ....................................................................................................................................................... 7
2.1 Main eatures ........................................................................................................................................................................ 7
2.2 Technical Specifications ..................................................................................................................................................... 8
2.2.1 Hardware ...................................................................................................................................................................... 8
2.2.2 Software ...................................................................................................................................................................... 12
3 Services and Applications ..................................................................................................................... 14
3.1 Data Service .......................................................................................................................................................................... 14
3.1.1 Wireless Modem ...................................................................................................................................................... 14
3.1.2 USB Modem............................................................................................................................................................... 14
3.1.3 LTE/3G/Wi- i Auto Offload ................................................................................................................................. 15
3.2 SMS .......................................................................................................................................................................................... 15
3.3 Menu Display ....................................................................................................................................................................... 15
4 System Architecture ............................................................................................................................... 17
4.1 System Architecture ........................................................................................................................................................... 17
4.2 unctional Modules ........................................................................................................................................................... 18
5 Packaging Box Items .............................................................................................................................. 19
6 Appendix ................................................................................................................................................... 20
7 Acronyms and Abbreviations .............................................................................................................. 21

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1 Overview
1.1 Introduction
HUAWEI E5785-320a Mobile Wi i (hereinafter referred to as the E5785-320a) 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.
It provides users with packet data services and SMS through multiple network modes.
You can connect the micro USB port on the E5785-320a to a computer using a micro
USB data cable, or connect multiple devices to the E5785-320a over Wi- i. In the
service area of the network, the E5785-320a allows you to surf the Internet and
send/receive messages/emails, providing you with a fast, reliable, and convenient user
experience. It also helps carriers improve their average revenue per user (ARPU).
1.2 Optional eatures
Optional features refer to features that are not supported on the standard version.
These features can be customized according to carrier or customer requirements. The
E5785-320a's optional features include the following:

SIM lock

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2 eatures
2.1 Main eatures
The E5785-320a features:

LTE Category 7

LTE DD CA (DL) packet data service of up to 300 Mbps

LTE DD (DL) packet data service of up to 150 Mbps

LTE DD CA (UL) packet data service of up to 100 Mbps

LTE DD (UL) packet data service of up to 50 Mbps

LTE TDD CA (DL) packet data service of up to 224 Mbps

LTE TDD (DL) packet data service of up to 112 Mbps

LTE TDD CA(UL) packet data service of up to 20 Mbps

LTE TDD (UL) packet data service of up to 10 Mbps

DC-HSPA+ (DL) packet data service of up to 42 Mbps

HSUPA packet data service of up to 5.76 Mbps

HSPA+ (DL) packet data service of up to 21 Mbps

HSDPA (DL) packet data service of up to 14.4 Mbps

UMTS (UL/DL) packet data service of up to 384 Kbps

SMS based on LTE/UMTS

Built-in LTE/UMTS and Wi- i/WLAN antenna

2.4 GHz and 5 GHz Wi- i

LTE/3G/Wi- i auto offload

Menu display

Compatible with HUAWEI AI Life app

Plug and Play

IPv4v6 dual stack

Built-in DHCP Server, DNS RELAY, and NAT

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
Online software upgrade

Traffic statistics

WPS

1.45 inch LCD display

Standard Micro USB port
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:
LTE/DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS
Wi- i/WLAN: IEEE 802.11a/b/g/n/ac
Operating
frequency
LTE : B1/B3/B5/B7/B8/B18/B19/B20/B28/B32/B38/B40/B41/B42
UMTS: B1/B5/B8
LTE UL CA:
Intra-Band continuous CA:
3C, 7C, 38C, 40C, 41C
LTE DL CA:
1A-3A, 1A-5A, 1A-7A, 1A-8A, 1A-20A, 1A-28A, 3A-5A, 3A-7A,
3A-8A(B3 as PCC), 3A-20A, 3A-28A, 7A-8A(B7 as PCC), 7A-20A,
7A-28A, 8A-38A(B8 as PCC), 20A-32A(B20 as PCC), 20A-38A(B20
as PCC)
Intra-Band continuous CA:
1C, 3C, 7C, 38C, 40C, 41C, 42C
Intra-Band non-continuous CA:
41A-41A，3A-3A
See Appendix for supported LTE channel bandwidths
Wi- i/WLAN: 2.4 GHz
AP: 5-13
STA: 5-13
Wi- i/WLAN: 5 GHz
AP: W52, W56
STA: W52, W53, W56

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Item Specifications
Memory RAM: 256MB DDR
ROM: 256MB NAND lash
Transmit power LTE: Conforms to Power Class 3 Definition
WCDMA/HSPA/HSPA+: Conforms to Power Class 3 Definition
Wi- i/WLAN
2.4 GHz
802.11b: 14dBm@SISO
802.11g 6M: 16dBm@SISO
802.11g 54M: 15.5dBm@SISO
802.11n MCS0: 16dBm (20MHz) @SISO
802.11n MCS7: 14.5 dBm (20MHz) @SISO
802.11n MCS0: 16dBm (40MHz) @SISO
802.11n MCS7: 14.5 dBm (40MHz) @SISO
Wi- i/WLAN
5 GHz
802.11a 6M: 14.5dBm @SISO
802.11a 54M: 14.5dBm @SISO
802.11n MCS0:
14.5dBm(20MHz) 15dBm(40MHz) @SISO
802.11n MCS7: 14dBm (20/40MHz) @SISO
802.11ac MCS0:
14.5 dBm (20MHz) 15 dBm (40/80MHz) @SISO
802.11ac MCS8: 13 dBm (20/40MHz) @SISO
802.11ac MCS9: 12.5 dBm (80MHz) @SISO
Note: The value above represents a typical transmit power in
Wi- i/WLAN mode, and may vary slightly by device.
Receiver
sensitivity
LTE: Conforms to 3GPP
WCDMA/HSPA/HSPA+: Conforms to 3GPP
Wi- i/WLAN
2.4 GHz
802.11b: -87.5dBm@11Mbps
802.11g: -74dBm@54Mbps
802.11n20M: -72dBm@mcs7
802.11n40M: -69dBm@mcs7
Wi- i/WLAN 802.11a: -77dBm@54Mbps

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Item Specifications
5 GHz
802.11n 20M: -75.5dBm@mcs7
802.11n 40M: -72.5dBm@mcs7
802.11ac 20M: -71dBm@mcs8
802.11ac 40M: -66.5dBm@mcs9
802.11ac 80M: -63dBm@mcs9
Wi- i/WLAN
MIMO
2*2 MIMO
Wi- i/WLAN
speed
802.11a: Up to 54 Mbps
802.11b: Up to 11 Mbps
802.11g: Up to 54 Mbps
802.11n: HT20: Supports MCS0–MCS7; Up to 72.2 Mbps.
Supports MCS8–MCS15; Up to 144.4 Mbps.
HT40: Supports MCS0–MCS7; Up to 150 Mbps.
Supports MCS8–MCS15; Up to 300 Mbps.
802.11ac: Up to 867 Mbps
Power
consumption
<4.5W
Charger
(Optional)
AC: 100–240 V
DC: 5 V, 2 A
Battery Type: Rechargeable lithium battery (removable)
Capacity: 3.8 V, 3000 mAh
Maximum working hours: 12 (depending on the network)
Maximum standby hours: 700 (depending on the network)
External ports Micro USB port
Micro-SIM card slot (3 )
Display 1.45 inch LCD display
Buttons Power button, RESET button, MENU button
Antenna Built-in LTE/UMTS main antenna

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Item Specifications
Built-in LTE/UMTS diversity antenna
Built-in Wi- i/WLAN antenna
Dimensions
(W × D × H)
108 mm x 62 mm x 17.1 mm
Weight Approximately 127 g (including the battery)
Temperature Operating temperature: 0°C to 35°C
Storage temperature: –20°C to +60°C
Humidity 5% to 95% (non-condensing)

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2.2.2 Software
Table 2-2 lists the software specifications.
Table 2-2 software specifications
Item Description
SMS

Write/send/receive short messages

Send/receive extra-long messages

Storage: Up to 500 messages can be saved in the
internal memory of the E5785-320a
Network connection
setup

Create, delete, or edit APN

Set up network connection
Maximum number of
Wi- i users connected
at the same time

When only the 2.4 GHZ or 5 GHz Wi- i network is
enabled, the E5785-320a supports the connection of up
to 32 wireless devices at the same time
Wi- i/WLAN setup

SSID broadcasting and hiding

None (Open), WPA2-PSK, and WPA/WPA2-PSK
encryption

Automatic adjustment of Wi- i speed

Display STA status

Turn off Wi- i automatically

MAC address filtering

Guest SSID
irewall setup

Enable and disable firewall

LAN IP iltering

Virtual Server

DMZ

UPnP
NAT setup

CONE NAT

Symmetric NAT

ALG
DHCP setup

Enable and disable DHCP server

Configure DHCP server address pool

Set DHCP lease time
LTE/3G/Wi- i auto
offload (Wi- i Extender)

Access WAN via LTE/3G/Wi- i

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Item Description
IPv4v6 dual stack

DHCPv4v6 server and client

DNSv4v6 server and client

Display IPv4v6 WAN address
Others Network connection settings: Automatic/manual network
selection and registration
Display network status including signal strength, carrier
name, system mode, and so on
Select network mode
PIN management: activate/deactivate PIN, verify
PIN/PUK, and modify PIN
System requirements

Windows 7, Windows 8, Windows 8.1, Windows 10
(excluding Windows RT), MAC OS X 10.12, 10.13, 10.14,
10.15, 11.0 and 12.0

Your computer should also meet the recommended
hardware requirements for the operating system
installed

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3 Services and Applications
3.1 Data Service
3.1.1 Wireless Modem
The E5785-320a can be used as a wireless modem when the Wi- i is enabled. You can
directly use the default settings (or configure APN on the E5785-320a's web-based
management page) to set up a wireless network, after which you will be able to access
the Internet.
igure 3-1 Multi-device access via Wi- i and micro USB port at the same time
3.1.2 USB Modem
After you connect the E5785-320a and a PC with a USB data cable, enter the IP
address in the browser address bar to log in to the E5785-320a's web-based
management page. You can directly use the default APN settings (or configure the
APN on the page) to set up a network connection, after which you can access the
Internet.

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igure 3-2 One-device access via micro USB port
3.1.3 LTE/3G/Wi- i Auto Offload
The E5785-320a allows you to access the Internet via LTE, 3G or Wi- i. When you are
using the E5785-320a in areas with a Wi- i hotspot, for example, an airport, a cafe, a
hotel, or your home, the E5785-320a switches to the Wi- i network automatically to
save your LTE/3G network data usage.
igure 3-3 LTE/3G/Wi- i auto offload
3.2 SMS
The E5785-320a supports message writing/sending/receiving. You can manage
messages in the Inbox, Outbox, and Drafts on the E5785-320a's web-based
management page.
3.3 Menu Display
The E5785-320a supports menu display in multiple languages. Press the MENU button
to enter the menu. Continue to press the MENU button to select a menu and press the
Power button to confirm your selection. You can view menu information or configure
settings such as:

LTE/3G/Wi- i auto offload

WPS

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igure 3-4 shows the menu screen (your actual screen may vary).
igure 3-4 Menu

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4 System Architecture
4.1 System Architecture
igure 4-1 shows the system architecture of the E5785-320a
igure 4-1 System architecture of the E5785-320a
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 unctional Modules
1. Radio frequency module: Sends/receives radio signals and
modulates/demodulates radio signals and baseband signals.
2. Baseband signal processing module: Processes LTE DD/LTE TDD/
DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS baseband signals, including:
 Modulating/demodulating LTE DD/LTE TDD/
DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS baseband signals
 Encoding/decoding LTE DD/LTE TDD/
DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS channels
3. Bottom layer driver: Drives peripherals, including USB devices, Wi- i devices,
display screen, buttons and SIM cards.
4. Protocol stack system: Processes protocols of LTE DD/LTE TDD/
DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS and TCP/IP.
5. Application system: Provides SMS, PS domain service, Wi- i configuration, network
service, web service and web-based management page. Users can configure
system settings on the web-based management page.
6. User interface: Provides man-machine interaction, including a display screen and
buttons.

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5 Packaging Box Items
This chapter describes the items contained in the packaging box of the E5785-320a.
Table 5-1 lists the items contained in the packaging box of the E5785-320a.
Table 5-1 Packaging box items of the E5785-320a
Item Quantity Remarks
Mobile Wi i 1 Standard
Rechargeable battery (removable) 1 Standard
USB Cable 1 Standard
Quick Start Guide (Including safety information) 1 Standard
Charger 1 Optional
Warranty Card 1 Optional

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6 Appendix
Table 6-1 Shows the LTE bandwidths supported by the E5785-320a.
Band
Bandwidth
1.4 MHz 3 MHz 5 MHz 10 MHz 15 MHz 20 MHz
1
√
√
√
√
3
√
√
√
√
√
√
5
√
√
√
√
7
√
√
√
√
8
√
√
√
√
18
√
√
√
19
√
√
√
20
√
√
√
√
28
√
√
√
√
√
32
√
√
√
√
38
√
√
√
√
40
√
√
√
√
4
1
√
√
√
√
42
√
√
√
√