4G industrial router MT7628,QCA9531,QCA4531
4G industrial router MT7628,QCA9531,QCA4531
4G industrial router MT7628,QCA9531,QCA4531
4G industrial router MT7628,QCA9531,QCA4531
4G industrial router MT7628,QCA9531,QCA4531
4G industrial router MT7628,QCA9531,QCA4531
4G industrial router MT7628,QCA9531,QCA4531
4G industrial router MT7628,QCA9531,QCA4531

4G industrial router MT7628,QCA9531,QCA4531

2022-02-17 22:23:36  

支持Linux和OpenWRT操作系统及自定义开发,是一体化的802.11 b/g/n WIFI解决方案,可以广泛地适用于智能设备和云服务应用等,包括有线转无线、4G转WIFI、无线摄像头、硬AP、路由器、DTU工业4G路由器、无人售卖机等。




M28 4G industrial router supports 4G, WiFi4, wired network and other access modes, with an open architecture design, providing fast and flexible customization; can achieve local real-time data analysis and intelligent processing; the use of industrial standard design, wide temperature, wide voltage, dust, strong electromagnetic interference, with multiple hardware protection, with external watchdog circuit, even in harsh environments can be stable operation, can adapt to different industry scenarios, the use of public wireless network to provide users with wireless data transmission functions. Mainly in areas with harsher environments, we provide various network support for everyone. Now it has been widely used in the M2M industry chain of the Internet of Things, such as smart grid, intelligent transportation, finance, supply chain automation, industrial automation, intelligent buildings, fire protection, public safety, environmental protection, meteorology, digital medical treatment, remote sensing survey, agriculture, forestry, water affairs, coal mines, petrochemical and other fields.


lSupports wired and cellular WiFi backup

lSupport 4G LTE high-speed network and 3G/2G full Net.com

lSupport WLAN

lHas 2 Ethernet ports

lSupports a variety of VPN features

lSupport wired and wireless backup of each other

lSupport SNMP and IOT platform to achieve efficient remote centralized network management

lSupport efficient deployment of large-scale device networks

lSupports rail and desktop mounting

lFully industrial designed, without fear of harsh conditions

4G industrial router series products are Internet of Things wireless router products that integrate 4G/3G/2G networks, virtual private networks and other technologies. With 4G/5G wireless WAN dual-network backup and Wi-Fi wireless LAN and other technologies, the device provides uninterrupted access to a variety of networks, with its comprehensive security and wireless services and other features, to provide users with high-speed and stable data transmission channels.

The design of the product fully meets the needs of unattended field communication, the use of software and hardware watchdog and multi-level link detection mechanism to ensure the stability and reliability of communication, while supporting the IOT management platform, convenient for users remote management, fully ensure the intelligence of equipment management. Multiple VPN technologies guarantee the security of data transmission and prevent malicious access or tampering with data. The user-friendly WEB configuration interface design is convenient for user configuration and greatly reduces the difficulty of user use.


Hardware performance


QCA9531 MIPS 650Mhz GHz


On-board SMD DDR2 128MB


16MB Nor Flash


802.11.b/g/n (Wi-Fi 4), up to 300Mbps, support 2.4G

Network Support

Industrial-grade 4G full Netcom module, or 3G module

System Time

Time synchronization uses NTP technology


WAN port

1 WAN port (configurable as LAN, 10M/100M adaptive MDI/MDIX port)

LAN port

1 (10M/100M adaptive MDI/MDIX port)

SIM Card Interface

1 (drawer card holder, SIM/UIM card supporting 1.8V/3V)

USB  Interface

Not supported


1 (reset button)

Antenna Interface

1-2 (4G antenna, impedance 50 ohms, SMA internal hole interface)

2 (2.4G WIFI antenna, impedance 50 ohms, SMA internal pin connector)

Power Terminals

1 (DC Seat)

Console Port

1 external


1 x 4G lights, 2 x network port  lights, 1 x WiFi lights,

Power Supply Characteristics


External Power Adapter (12V 1A)

Operating Voltage

Wide power input  DC 9~36V

Standby Power Consumption

100~200 mA@12V DC

Operating Power Consumption

300~600mA @12V DC

Working Conditions

Working Temperature

-40~+85ºC (-40~+185℉)

Storage Temperature

-40~+85ºC (-40~+185℉)

Operating Humidity

5% to 95% (non-condensing)

Equipment  Ventilation

Natural heat dissipation, No noise

Physical characteristics


All-metal chassis


Length*Width*Height: L*S*H: 85mm x76mm x 26mm  (excluding antenna mountings)

Installation Mode

Table top flat, rail mounted, wall mounted


Net Weight: 0.37KG (excluding antenna and mounting)

Gross Weight: 0.85KG (with accessories and  box)

Equipment security and reliability

Security and Reliability

Power inverting protection, overvoltage protection, overcurrent  protection, Ethernet interface built-in 1.5KV electromagnetic isolation  protection;

RS232/RS485 interface with built-in 15KV ESD protection; SIM/UIM card  interface with built-in 15KV ESD protection

Protection Class



Complies with CCC, Rohs


100,000 hours

Software features

Network Access

Support APN VPDN

Access Authentication

Supports CHAP/PAP certification

Network Mode


LAN Protocol

Support ARP, Ethernet

WAN Protocol

Support static IP, DHCP, PPPOE, PPP

IP Applications

Support  Ping、Trace、DHCP Server 、DHCP Relay、 DHCP Client、 DNS relay、DDNS 、Telnet

IP Routing

Support  for routing

NAT Function

Supports  network address translation

Industrial Protocols

Support  IEC101/104 regulations, support environmental protection 212 protocol,  support MQTT, MUDBUS and other industrial protocols

Network Security


Full-StateFul  Packet Detection (SPI), Protection Against Denial of Service (DoS) Attacks  Filtering Multicast/Ping Packets, Access Control Lists (ACL) Content URL  filtering, port mapping, virtual IP mapping, IP-MAC binding

Data Security



Backup Function

Support  wired, wireless, 4G three-way mutual backup

Link Online Monitoring

Send  heartbeat packet detection, disconnection automatically connected

Embedded  the Watchdog

The equipment  runs the self-test technology, and the equipment operation fault is  self-repairing

WIFI (Integrated)

Protocol Standards

IEEE  802.11b/g/n


Up to  300Mbps

Security Features

Open  Systems, Shared Key, WPA/WPA2 authentication, WEP/TKIP/AES encryption

Working Mode

AP,  Client working mode

Transmission Distance

100m  (actual transmission distance depends on the environment)

                                                                                                  4G  modules


10Mbps  up , 5Mbps down


150Mbps  up, 50Mbps down


Integrated DTU Function

Support TCP, UDP transparent transmission  mode, TCP Server mode Support Modbus RTU to Modbus TCP bridge,

Support DCUDP, DCTCP mode

Network management

QOS Management

Support  bandwidth limit, IP speed limit

Configuration Mode

Support  telnet, web, ssh and console configuration modes

Upgrade Mode

Supports  web upgrades and FOTA

Log Function

Supports  local system logs, remote logs, and serial output logs. Important logs are  powered down to save

SMS Function

Status  query, configuration, restart


Dial-on-demand,  data activation, SMS activation

Network Management  Function

Support  STAR Device Manager network management platform for batch management

Simple Network  Management Capabilities

Supports  SNMP v1/v2c/v3 and supports the SNMP TRAP function

Traffic Management

Supports  traffic threshold setting, traffic statistics and traffic alarm functions

Alarm Function

Support  system restart, LAN port up and down line, traffic alarm, SIM card failure  and other alarms

Maintenance Tools

Ping, route  tracing, internet speed testing

Status Query

System  Status, Modem Status, Network Connection Status, Routing Status

Packing list:

Product accessories

YQ4200 Host


4G Module


Customer-selected  modules, Or match the model according to the actual needs of the customer

SIM Card Tray


Red Dust Cap



Power  12V1A



WIFI Stick Antenna

2 roots

Warranty Card

1 sheet

Neutral packaging

1 set

White bubble bag size: 15*20mm

Neutral packing carton Size: 12*16*6mm

Optional  accessories

l One meter cable

l Crystal head serial port debugging line

l Wall-mounted mounting kit

l Rail mounting kit

l WIFI antenna

l GPS  antenna