• Shenzhen Coolmay Technology Co., Ltd.
    Juan Guevara
    muy buen trato con el vendedor y muy buena asesoria y el producto está trabajando muy bien ya tiene un año y no he tenido ningún problema
  • Shenzhen Coolmay Technology Co., Ltd.
    Obert Matetakufa
    I'm very happy with the business deal and all the support they are giving . A very good business partner
Contact Person : Sandra
Phone Number : 008619925291353
Whatsapp : +8619925291353

Coolmay 4G LTE Modbus Industrial IoT Module 12 Channels Download PLC

Place of Origin China
Brand Name Coolmay
Certification CE
Model Number CX-4G
Minimum Order Quantity 1
Price usd72-usd80 per piece
Packaging Details box 26*19*10cm
Delivery Time 5-7 working days
Payment Terms T/T, Western Union

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Product Details
Product Name 4G Module Dimension 65*90*36mm
Battery Optional Frequency Range 2 5 Modes 12 Channels
Network Standards TDD-LTE/ FDD-LTE WCDMA/ TD-SCDMA/ GSM/ GPRS/ EDGE Interface Type SMA
Network Protocol TCP/ UDP/ DNS/ HTT Data Interface RS232, RS485
Installation Standard Guide Rail Installation And Can Be Installed On NS35/7.5 Or NS32 Guide Slot Working Voltage DC5V-DC30V
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4G LTE Industrial IoT Module


Coolmay Industrial IoT Module


Modbus 4g iot module

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Product Description

Coolmay 4G LTE Modbus Industrial IoT Module 12 Channels Download PLC

Remote Plc Download Module 4G LTE Modbus IOT Module


Technical Specification:

  1. Model: CX-4G 
  2. Dimension : 65x90x36mm
  3. Optional rechareable lithium battry.
  4. Built in rs485 com port, communicate to different brand plc by modbus rtu protocol.
  5. 5 mode 12-frequency, Mobile / Unicom / Telecom 4G high-speed access. 
  6. Support Mobile / Unicom 3G and 2G access, and uses Micro SIM Card. 
  7. Support Remote Programming / Debugging / Monitoring.

Easy Using Process.

Connect via USB --- Insert SIM Card --- Install Software --- Send 4g Information. 


Video Reference:




Model CX-4G
Installation Standard guide rail installation and can be installed on NS35/7.5 or NS32 guide slot
Dimension 65*90*36mm
Wiring Power and RS232/485 applies pluggble terminals
Frequency range 5 modes 12 channels
Data interface

RS232, RS485


Network type TDD-LTE/ FDD-LTE WCDMA/
Network protocol TCP/ UDP/ DNS/ HTT
User configuration

Serial port/ network/ message AT instruction

(configuration software is offered)

Transmit power 300~230400bps
Manuals CM-WIFI user manual CM-GPRS user manual CM-WIFI-2NET user manual CX-4G user manual

Visual serial port CM-VCOM CM-GPRS module setting software

CM-NET module setting software CX-4G module setting software



Coolmay 4G LTE Modbus Industrial IoT Module 12 Channels Download PLC 0


More Modules in stock for different application. 

CM-WIFI / GPRS /RFM/ Cx-4G / WIFI-2NET / CX-4G modules are small and powerful network modules that can realize the transparent transmission of network data packets and Rs232 / Rs485 interface data.