Guide to Using IoT Cards in Industrial Gateways

Using IoT cards for wireless data transmission in industrial gateways is a common method in the Industrial Internet of Things (IIoT).

Choosing IoT Cards

Industrial gateways support 5G/4G IoT cards, which are specialized SIM cards designed for industrial scenarios, offering more stability and reliability than regular mobile phone cards. When selecting, consider the following points:

Carrier Signal: Ensure that the factory location has good signal coverage.

Data Plan: The data transmission volume for industrial use is usually low, with annual costs typically under 100 yuan.

Dedicated APN: Industrial cards provide a dedicated APN to ensure secure data transmission.

Installation and Setup

Card Installation Steps: Insert the IoT card into the designated slot in the gateway, ensuring it is dustproof and waterproof.

Network Settings: Enter the APN, username, and password through the gateway management interface.

Signal Enhancement: An external antenna can be added if needed to improve signal strength.

Usage Points

Dual Card Backup: It is recommended to install two cards for important devices to achieve network redundancy.

Data Usage Monitoring: Regularly check data usage to avoid exceeding the plan limits.

Security Settings: Enable data encryption features such as VPN and IPSec.

Environmental Requirements: Pay attention to the temperature, humidity, and electromagnetic interference in the factory environment.

Advantages and Applications

IoT card gateways are mainly suitable for:

Remote areas where wired connections are not feasible.

Devices requiring mobile monitoring.

Temporarily established monitoring points.

Compared to WiFi and wired solutions, IoT cards do not require cabling; they can be used simply by inserting the card, making them convenient and practical, and are a common solution for end connections in industrial IoT.

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