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Modernizing IoT: How evolving mobile networks unlock new business potential

Employees in a manufacturing plant using IoT

Canada is entering a critical phase in its network modernization efforts as major operators begin to discontinue their 3G networks beginning March 2027. As wireless networks continue to evolve, modernizing your IoT device portfolio is no longer optional; it's essential to help maintain long-term performance, reliability and scalability. Across industries such as manufacturing, retail, healthcare, transportation, energy and industrial automation, many IoT deployments still rely on legacy 3G devices. These devices were never designed to meet today's demands for speed, security and real-time data processing. As networks advance, the gap between capability and requirement will only widen. 


Why modernization matters now 

Bell is committed to improving network performance and enhancing customer experience, helping businesses meet growing demands for speed, reliability and security. However, older technologies like 3G use radio access methods that cannot efficiently coexist with LTE or 5G on the same frequency bands. To deliver optimal performance and minimize interference, carriers need to reassign spectrum allocations so that newer technologies like LTE and 5G can flow freely without congestion. 

Discontinuing the 3G network frees up valuable spectrum and infrastructure resources, accelerating the deployment and performance of advanced technologies like LTE and 5G. For businesses, this shift represents an opportunity to unlock new capabilities to drive efficiency and innovation, while maintaining operational continuity.


The business case for upgrading IoT 

Transitioning to LTE-M and 5G-ready devices opens the door to richer analytics, more efficient operations and provides a foundation for future innovations – such as AI-driven automation and advanced remote monitoring. Our hardware partner Teltonika offers a comprehensive portfolio of 4G and 5G-ready devices, including VoLTE-capable routers and carrier-certified hardware. With features like automatic failover, these devices are designed to help critical systems – like fleet tracking and industrial equipment – remain online without disruption. Beyond avoiding service interruption, upgrading delivers tangible benefits that impact productivity and competitiveness. 


Key benefits of modernizing IoT 

      • Improved device battery life: LTE and 5G support advanced power-saving protocols like eDRX and PSM, extending battery life for devices deployed in the field. 
      • Enhanced data throughput for smart applications: While 3G was designed for low-bandwidth tasks, LTE and 5G enable richer data exchange, supporting applications that require real-time insights and multimedia capabilities. Teltonika's devices, with support for LTE Cat 4/Cat 6/Cat 19 and 5G speeds, are well-equipped to handle these demands. 
      • Greater device density support: 5G networks are engineered to support up to 1 million devices per square kilometre, making them ideal for large-scale IoT deployments without performance degradation. 
      • Lower latency for real-time control: 3G latency is far too high for real- or near-real-time applications. Under optimal conditions, 5G can reduce latency to as low as 1–10 ms, enabling responsive control systems and instant data feedback. 
      • Future-proofing and lifecycle extension: With 3G becoming obsolete, upgrading ensures compatibility with future services, firmware updates and security patches – protecting your investment over time. Teltonika's carrier-certified hardware facilitates quick replacement of aging 3G units, helping businesses to avoid legacy network fees and to future-proof their connectivity for years to come. 
      • Simplified network management: Maintaining multiple legacy networks increases complexity and risk. Consolidating on LTE and 5G streamlines operations, reduces downtime and improves service reliability. Teltonika's Remote Management System (RMS) further simplifies this by providing efficient oversight and control of deployed devices. 


Position your business for what's next 

By upgrading now, your organization can maintain operational continuity while positioning its IoT infrastructure to capitalize on the next generation of connected technology. Leveraging solutions with robust, carrier-certified hardware and advanced remote management capabilities, such as those offered by Teltonika, is key to this strategy. Speak to your Bell representative today or visit bell.ca/3gdiscontinuation to learn more about how Bell can help future-proof your IoT strategy.