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IoT in the Industrial environment
TelnaApr 23, 2024 8:48:21 AM3 min read

eSIM: a game-changer for Industrial IoT?

Telna | eSIM - A game-changer for Industrial IoT

The Industrial Internet of Things (IoT) revolves around a network of smart sensors and machines embedded within industrial environments.

These devices continuously collect and transmit data on everything from equipment health to operational efficiency. But the magic lies in connectivity. Without a reliable connection, this valuable data remains isolated and inaccessible.

IoT connectivity allows for real-time data exchange between devices, machines, and central platforms. This continuous flow of information fuels powerful analytics, enabling industries to unlock unprecedented levels of efficiency, optimize production, and prevent costly equipment failures through predictive maintenance.

Common Challenges with Connectivity For Industrial IoT

  • Deployment and Scalability: Many industrial IoT applications exist in remote or hard-to-reach places (e.g., oil rigs, mines, agricultural fields). Physically accessing devices to swap or manage SIM cards in these locations is costly and logistically complex. Deploying and managing SIM cards across thousands of distributed IoT devices creates a significant administrative burden and increases maintenance costs.
  • Security Challenges: Traditional SIM cards can be lost, stolen, or tampered with, potentially exposing sensitive industrial data and compromising system security. Insecure access to devices for SIM card updates can create vulnerabilities that hackers could exploit.
  • Space Constraints: Industrial applications often require compact devices like sensors, trackers, or monitors. Traditional SIM cards take up valuable space that could be used for other components.
  • Durability: Industrial settings often involve extreme temperatures, vibrations, dust, or moisture that can damage or disrupt the functionality of standard SIM cards. IoT devices need to function reliably for extended periods, requiring connectivity solutions that can withstand demanding conditions over time.
  • Cost Efficiency Challenges: The logistical costs of physically accessing and managing SIM cards in large-scale IoT deployments, especially in remote areas, can be substantial. Limited ability to switch providers easily due to physical SIMs can affect operational costs and limit negotiating power for the best connectivity rates.


How eSIM Transforms Industrial IoT

An eSIM (embedded SIM) is a programmable chip embedded directly into a device during manufacturing. It replaces the traditional, removable SIM card. This integrated design offers numerous advantages for industrial IoT deployments.

eSIMs can be activated and configured remotely over-the-air (OTA). This eliminates the need to physically swap SIM cards, streamlining large-scale IoT deployments, especially in hard-to-reach locations.

With eSIMs, industrial devices can seamlessly switch between network providers without physical changes. This optimizes connectivity based on coverage, cost, or service level agreements.


Enhanced Security and Durability

eSIMs are embedded within devices, making them much more difficult to hack or tamper with compared to physical SIM cards. Security updates and patches can be sent to eSIMs remotely, enhancing the ongoing security of IoT devices.

Smaller Footprint: eSIMs take up significantly less space within devices, a crucial factor in the design of compact industrial sensors, monitors, and other connected machinery. This enables new form factors and use cases.

eSIMs are designed to withstand harsh industrial environments (extreme temperatures, vibrations, etc.), ensuring reliable connectivity. This is vital for IoT deployments in factories, outdoor installations, and remote locations.


Cost Efficiency

Remote provisioning and configuration capabilities of eSIMs significantly cut down on logistical and maintenance costs associated with managing a large network of IoT devices.

The ability to change network providers easily increases negotiating power and allows for more cost-effective connectivity solutions.


IoT Use Cases Enabled by eSIM

eSIM-powered sensors monitor equipment, providing real-time data for predictive maintenance analytics, reducing downtime and optimizing asset lifecycles. Industrial assets in remote locations or transit can be tracked efficiently with eSIM-enabled devices, ensuring supply chain visibility and security.

For connected robotics and automation, eSIMs enable reliable connectivity for autonomous robots and automation systems on factory floors or in warehouses, supporting flexible and adaptable production processes. eSIM is also crucial for remote monitoring and control of industrial processes, particularly in energy, utilities, and environmental applications.


The Future of eSIM in IoT

eSIM support is rapidly expanding, but not all carriers in all regions may offer the same level of service yet. The full potential of eSIM in industrial IoT relies on the continued development of standards and streamlined management platforms.

Companies such as Telna lead the charge in providing cutting-edge eSIM solutions. These solutions address deployment hassles, security risks, space limitations, the durability needs of industrial settings, and the drive for cost optimization.

With features like centralized management, seamless carrier switching, and remote provisioning, eSIMs powered by providers like Telna stand poised to reshape the future of industrial connectivity, ensuring reliable, efficient, and secure IoT ecosystems.



Telna provides Mobile Network Operators (MNOs), Communication Service Providers (CSPs), and Original Equipment Manufacturers (OEMs) with a fully managed global cellular connectivity platform. Telna has the largest 2G – 5G, LTE-M to over 800 radio network operators – 300 in direct partnerships – in 200 countries. Its global multi-network connectivity platform enables simplified integration to any platform and enables local break-out with localization that utilizes cloud infrastructure. With one integration to Telna’s platform, we have enabled millions of devices with multi-network connectivity, enabling innovative solutions in the cloud.