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MX942-1D Explosion-Proof 5G DTU/Exd IIC T6 Gb/Ex tD A21 IP68 T80℃

MX942-1D Explosion-Proof 5G DTU/Exd IIC T6 Gb/Ex tD A21 IP68 T80℃

Category: Explosion Proof DTU

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Codexun MX942-1D explosion-proof 5G DTU is a seven-mode full Netcom industrial-grade wireless data transmission terminal, designed to fully meet the needs of industrial-grade standards and industrial users, using high-performance industrial-grade 32-bit communication processors, software multi- level detection And hardware multiple protection mechanisms to improve device stability. Support mobile, China Unicom, China Telecom 4G/3G/2G network, flexible interface, support standard RS232, RS485, TTL level can be customized.

This series of products can help users quickly access high-speed Internet and realize safe and reliable data transmission. It is widely used in oil field monitoring, chemical industry, combustible gas warehouse, explosion-proof workshop, energy coal mine, logistics storage and other industries.


  • With 1 RS232 and 1 RS485 interface, 3 I/O interfaces and 2 ADCs are reserved
  • Support transparent data transmission, embedded standard TCP/IP protocol stack
  • Support multi-center (up to 5) and TCP server functions
  • Support DDNS, you can access the center according to the domain name and IP address
  • Support TCP heartbeat link detection, keep the device always online
  • Support APN/VPDN
  • Support SMS backup function, when TCP/UDP is disconnected, you can send data by SMS
  • Support SMS, phone ringing, serial port data and other online and offline trigger modes
  • Support equipment to run software and hardware self-test technology, and run fault self-repair


Industrial grade design:


Anti-lost data:

▪ Selection of all components, 100% industrial standard

▪ Satisfies industrial applications

▪ Watchdog detection mechanism

▪ TCP heartbeat link detection

▪ Ensure devices are always online

▪ Data reissue mechanism

▪ Disconnected reconnection, data reissue

▪ Ensure data is not lost

Low Power Design:

Multi-center transmission:

Remote management:

▪ Ultra-low power consumption design

▪ Communication state power consumption <1W

▪ Supports up to 5 centers

▪ Multi-center synchronous data transmission

▪ Visual display of multi-level data

▪ Modify configuration remotely

▪ Remote troubleshooting

▪ Reboot device remotely

Remote upgrade:


Simple and easy to use:

▪ Remote management platform

▪ Firmware remote upgrade

▪ Passed various indicators of EMC

▪ Suitable for various industrial occasions

▪ Simple to use and easy to install

▪ Powerful configuration tools

Save manpower and material resources

Suitable for high-power equipment occasions

Integrating upgrade and debugging

Wireless network parameters

product type

wireless parameters



Support TD-LTE 2600/2300MHz

Support FDD-LTE 2600/2100/1800/900/800MHz


Mobile 4G/3G/2G

Unicom 4G/3G/2G

Telecom 4G/3G/2G

product interface



Power interface:

standard power supply

DC 12V/0.5A

Power supply range

DC 5~35V

Built-in power reverse phase protection and overvoltage protection.


serial port:

The serial port adopts industrial terminal interface, suitable for industrial applications, RS232 or RS485 interface

Built-in 15KV ESD protection, TTL level can be customized


Reserve 2 analog input interfaces (10-bit AD, support 4-20mA current signal input, optional 0-5V voltage signal input)

IO port:

3 channels of GPIO are reserved, which can be configured as input and output, and the communication level is 3.3V

Serial parameters:

serial speed


data bit

5, 6, 7, 8 bits

stop bit

1, 1.5, 2 digits


No parity, even parity, odd parity, SPACE and MARK parity


indicator light

With system, power, communication and online indicators

Antenna interface

External fiberglass antenna

SIM/UIM card interface

Standard drawer user card interface, support 1.8V/3V SIM/UIM card, built-in 15KV ESD protection

product features



Environmental conditions:

Working temperature range: -30℃~70℃

Storage temperature range: -40~+80ºC

Relative humidity range: 95%

Atmospheric pressure: 86~106KPa

Working power consumption:

communication status


Note: 12V power supply, current <90mA 5V power supply, current <190mA

standby mode


Note: 12V power supply, current <24mA 5V power supply, current <50mA

Anti-interference ability:

Anti-interference type


Voltage/Current Waveform


Power frequency magnetic field


continuous sine wave


damped oscillating magnetic field


continuous sine wave


pulsed magnetic field




radiated electromagnetic field


80MHz~1000MHz continuous wave


Equipment suitable for installation in typical industrial environments: chemical plants, gas warehouses, oil exploration platforms, etc.

Protection class:

Protection class: Exd ⅡC T6 Gb/Ex tD A21 IP68 T80℃

In environments with explosive gas or dust or other relatively safe places, typical hazard sources are: propylene (methyl acetylene), cyclopropane, acrylonitrile, ether (alcohol), coke oven gas, wood powder, metal powder, etc.


The mean time between failures (MTBF) is not less than 100000h

Ultra-low power consumption design, including sleep mode, timing online and offline mode

All grades of EMC index up to level 3

Using NTP technology, built-in RTC

SIM/UIM card interface built-in 15KV ESD protection

Physical properties:

Internal size: 300mm*204mm*87mm

Weight: about 10.5KG

hardware part

Operating Voltage


Working current

Standby current 11mA @12V 
Transmit current 45mA @12V 

Working frequency




communication distance

3000 meters under ideal conditions

Explosion-proof grade

Exd IIC T6 Gb/ExtD A21 IP68 T80℃

use environment

The ambient temperature that can be used is -40°C ~ +85°C, and the humidity is 5~95%RH (no condensation)

Communication Interface

Number of interfaces


interface standard

TTL 3.0V RS485 RS232 (can only choose one when working, can not use at the same time)

baud rate

1200bps, 2400bps, 4800bps, 9600bps

Check method

No parity, odd parity, even parity

data bit


stop bit


software part


The maximum size of a single packet is 64 bytes, and it will be automatically divided into packets after exceeding

air speed


configuration method

PC software, AT command

Subcontracting The maximum size of a single package is 64 bytes, and it will be automatically sub-packaged after it exceeds
rate 300bps-19200bps
Configuration method PC software, AT commands

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