About This Document
This document introduces the major functions, supported services, and system architecture of the HUAWEI E5785-320a Mobile WiFi.
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 Features | 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 |
| 7 Acronyms and Abbreviations | List of acronyms and abbreviations used in the document |
History
| Version | Details | Date |
|---|---|---|
| 01 | First release | 2022-01-06 |
1 Overview
1.1 Introduction
The HUAWEI E5785-320a Mobile WiFi (referred to as the E5785-320a) is a high-speed packet access mobile hotspot. It serves as 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. Users can connect the E5785-320a to a computer via a micro USB data cable, or connect multiple devices to it over Wi-Fi. In areas with network coverage, the E5785-320a enables users to surf the Internet and send/receive messages/emails, offering a fast, reliable, and convenient user experience. It also assists carriers in improving their average revenue per user (ARPU).
1.2 Optional Features
Optional features are functionalities not included in the standard version and can be customized based on carrier or customer requirements. The E5785-320a's optional features include:
- SIM lock
2 Features
2.1 Main Features
The E5785-320a features:
- LTE Category 7
- LTE FDD CA (DL) packet data service of up to 300 Mbps
- LTE FDD (DL) packet data service of up to 150 Mbps
- LTE FDD CA (UL) packet data service of up to 100 Mbps
- LTE FDD (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-Fi/WLAN antenna
- 2.4 GHz and 5 GHz Wi-Fi
- LTE/3G/Wi-Fi auto offload
- Menu display
- Compatible with HUAWEI AI Life app
- Plug and Play
- IPv4v6 dual stack
- Built-in DHCP Server, DNS RELAY, and NAT
- 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:
| Item | Specifications |
|---|---|
| Technical standard | WAN: LTE/DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS Wi-Fi/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-Fi/WLAN: 2.4 GHz AP: 5-13 STA: 5-13 Wi-Fi/WLAN: 5 GHz AP: W52, W56 STA: W52, W53, W56 |
| Memory | RAM: 256MB DDR ROM: 256MB NAND Flash |
| Transmit power | LTE: Conforms to Power Class 3 Definition WCDMA/HSPA/HSPA+: Conforms to Power Class 3 Definition Wi-Fi/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 Wi-Fi/WLAN 5 GHz: 802.11n MCS0: 16dBm (40MHz) @SISO, 802.11n MCS7: 14.5 dBm (40MHz) @SISO, 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-Fi/WLAN mode, and may vary slightly by device. |
| Receiver sensitivity | LTE: Conforms to 3GPP WCDMA/HSPA/HSPA+: Conforms to 3GPP Wi-Fi/WLAN 2.4 GHz: 802.11b: -87.5dBm@11Mbps, 802.11g: -74dBm@54Mbps, 802.11n20M: -72dBm@mcs7, 802.11n40M: -69dBm@mcs7 Wi-Fi/WLAN 5 GHz: 802.11a: -77dBm@54Mbps, 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-Fi/WLAN MIMO | 2*2 MIMO |
| Wi-Fi/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 (3FF) |
| Display | 1.45 inch LCD display |
| Buttons | Power button, RESET button, MENU button |
| Antenna | Built-in LTE/UMTS main antenna Built-in LTE/UMTS diversity antenna Built-in Wi-Fi/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) |
2.2.2 Software
Table 2-2 lists the 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-Fi users connected at the same time | When only the 2.4 GHz or 5 GHz Wi-Fi network is enabled, the E5785-320a supports the connection of up to 32 wireless devices at the same time |
| Wi-Fi/WLAN setup | SSID broadcasting and hiding None (Open), WPA2-PSK, and WPA/WPA2-PSK encryption Automatic adjustment of Wi-Fi speed Display STA status Turn off Wi-Fi automatically MAC address filtering Guest SSID |
| Firewall setup | Enable and disable firewall LAN IP Filtering 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-Fi auto offload (Wi-Fi Extender) | Access WAN via LTE/3G/Wi-Fi |
| 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 |
3 Services and Applications
3.1 Data Service
3.1.1 Wireless Modem
The E5785-320a can function as a wireless modem when Wi-Fi is enabled. Users can utilize the default settings or configure the APN via the E5785-320a's web-based management page to establish a wireless network connection for Internet access.
Diagram 3-1: Illustrates multi-device access via Wi-Fi and a micro USB port simultaneously. Multiple devices like laptops and smartphones are shown connected wirelessly to the Mobile WiFi, which is also connected to a PC via a micro USB cable.
3.1.2 USB Modem
After connecting the E5785-320a to a PC using a USB data cable, users can access the E5785-320a's web-based management page by entering its IP address in a browser. Default APN settings can be used, or APN can be configured on the page to establish a network connection for Internet access.
Diagram 3-2: Depicts one-device access via a micro USB port, showing a computer connected directly to the Mobile WiFi unit.
3.1.3 LTE/3G/Wi-Fi Auto Offload
The E5785-320a facilitates Internet access via LTE, 3G, or Wi-Fi. When the device is used in areas with a Wi-Fi hotspot (e.g., airports, cafes, hotels, or homes), it automatically switches to the Wi-Fi network to conserve LTE/3G data usage.
Diagram 3-3: Illustrates the LTE/3G/Wi-Fi auto offload functionality. An internet source connects to both a cellular tower (LTE/3G) and a Wi-Fi hotspot. The Mobile WiFi unit connects to the Wi-Fi hotspot, providing internet to connected devices, thereby saving mobile data.
3.2 SMS
The E5785-320a supports writing, sending, and receiving messages. Users can manage messages through the Inbox, Outbox, and Drafts sections on the device's web-based management page.
3.3 Menu Display
The E5785-320a offers menu display in multiple languages. Users can navigate the menu by pressing the MENU button to enter and select menu items, and the Power button to confirm selections. Menu options include:
- LTE/3G/Wi-Fi auto offload
- WPS
Diagram 3-4: Shows a typical menu screen interface, which may vary slightly on the actual device. Options like 'Back', 'Data roaming', 'WPS', and 'WLAN Band' are visible, with navigation controls 'Next' and 'OK'.
4 System Architecture
4.1 System Architecture
Figure 4-1 illustrates the system architecture of the E5785-320a.
Diagram 4-1: Presents the system architecture of the E5785-320a. It outlines key components including the Mobile WiFi unit with its Software module, Hardware module, Application system (Web page, Web server, Protocol stack, Bottom layer drivers), and User interface. Connections are shown to external entities like a PC and a Mobile phone/Tablet via USB and Wi-Fi interfaces.
4.2 Functional Modules
- Radio frequency module: Responsible for sending/receiving radio signals and modulating/demodulating radio and baseband signals.
- Baseband signal processing module: Processes LTE FDD/LTE TDD/DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS baseband signals, including modulating/demodulating and encoding/decoding for various LTE and UMTS channels.
- Bottom layer driver: Manages peripherals such as USB devices, Wi-Fi devices, the display screen, buttons, and SIM cards.
- Protocol stack system: Handles protocols for LTE FDD/LTE TDD/DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS and TCP/IP.
- Application system: Provides services like SMS, PS domain service, Wi-Fi configuration, network service, web service, and a web-based management page for system configuration.
- User interface: Facilitates man-machine interaction through a display screen and buttons.
5 Packaging Box Items
This chapter details the contents of the E5785-320a packaging box. Table 5-1 lists the items included:
| Item | Quantity | Remarks |
|---|---|---|
| Mobile WiFi | 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 |
6 Appendix
Table 6-1 shows the LTE bandwidths supported by the E5785-320a.
| Band | 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 | ✓ | ✓ | ✓ | ✓ | ||
| 41 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 42 | ✓ | ✓ | ✓ |
7 Acronyms and Abbreviations
This section lists common acronyms and abbreviations used in the document.
| Acronym/Abbreviation | Full Term |
|---|---|
| Numerics | |
| 3G | The Third Generation |
| A | |
| AES | Advanced Encryption Standard |
| ALG | Application Level Gateway |
| APN | Access Point Name |
| ARPU | Average Revenue Per User |
| ASCII | American Standard Code for Information Interchange |
| D | |
| DHCP | Dynamic Host Configuration Protocol |
| DMZ | Demilitarized Zone |
| DNS | Domain Name Server |
| E | |
| EDGE | Enhanced Data Rates for GSM Evolution |
| F | |
| FDD | Frequency Division Duplex |
| G | |
| GPRS | General Packet Radio Service |
| GSM | Global System for Mobile Communications |
| H | |
| HSPA+ | High Speed Packet Access Plus |
| HSUPA | High Speed Uplink Packet Access |
| HSDPA | High Speed Downlink Packet Access |
| I | |
| IEEE | Institute of Electrical and Electronics Engineers |
| IP | Internet Protocol |
| L | |
| LCD | Liquid Crystal Display |
| LTE | Long Term Evolution |
| M | |
| MAC | Medium Access Control |
| Modem | Modulator Demodulator |
| N | |
| NAT | Network Address Translation |
| O | |
| OS | Operating System |
| P | |
| PC | Personal Computer |
| PIN | Personal Identification Number |
| PnP | Plug and Play |
| PS | Packet Switched |
| PUK | PIN unblocking key |
| S | |
| SIM | Subscriber Identity Module |
| SMS | Short Messaging Service |
| SOHO | Small Office Home Office |
| SSID | Service Set Identifier |
| T | |
| TDD | Time Division Duplex |
| TFT | Thin Film Transistor |
| U | |
| UMTS | Universal Mobile Telecommunications System |
| UPnP | Universal Plug and Play |
| USB | Universal Serial Bus |
| V | |
| VPN | Virtual Private Network |
| W | |
| WAN | Wireless Area Network |
| WEP | Wired Equivalent Privacy |
| Wi-Fi | Wireless Fidelity |
| WLAN | Wireless Local Area Network |
| WPA | Wi-Fi Protected Access |
