2G/3G Sunsetting

The 2G/3G Sunset: What It Means for IoT and the Future of Connectivity

Originally published
January 6, 2025
Last Updated
January 7, 2025

The gradual discontinuation of 2G and 3G networks, often referred to as the "2G/3G sunset," marks a significant milestone in the evolution of telecommunications. As these legacy networks are retired, the spectrum they occupy is being reallocated to support newer, faster, and more efficient technologies like 4G LTE and 5G. While this shift brings many opportunities, it also poses challenges, especially for Internet of Things (IoT)devices that rely on older network infrastructure. Read on as we explore the reasons behind the sunset, its implications for IoT, and the steps businesses can take to adapt.

Why Are 2G and 3G Networks Being Phased Out?

Spectrum Efficiency: Radio spectrum is a finite resource. 2Gand 3G networks occupy valuable bandwidth that can be repurposed for 4G and 5G,which offer greater capacity, speed, and efficiency. This reallocation is critical to meeting the growing demand for high-speed data and connectivity.

Technological Advancements: 4G and 5G technologies are designed to support modern applications, from streaming and gaming to autonomous vehicles and smart cities. In contrast, 2G and 3G are outdated and incapable of meeting today’s performance requirements.

Cost of Maintenance: Maintaining legacy networks is expensive for telecom operators. By shutting down 2G and 3G, providers can focus resources on enhancing 4G and 5G networks.

Impact of the Sunset on IoT

The Challenge for IoT Devices

Many IoT devices, especially those deployed years ago, still rely on 2G or 3G for connectivity. Examples include:

Industrial Sensors: Used in factories or remote locations where network upgrades haven’t been implemented.

Asset Trackers: Such as GPS devices used in logistics and transportation.

Smart Meters: Often installed with a lifespan of10-20 years and reliant on older networks.

When these networks are decommissioned, IoT devices dependent on them may lose functionality, potentially leading to service disruptions and increased costs for retrofitting or replacement.

 

Opportunities for IoT

The 2G/3G sunset also opens doors for innovation:

Transition to LPWAN Technologies: Low Power Wide Area Networks (LPWAN) such as LTE-M and NB-IoT (Narrowband IoT) provide cost-effective, energy-efficient solutions tailored for IoT applications.

Enhanced Capabilities with 4G and 5G: These newer networks support higher data speeds, lower latency, and greater device density, enabling more advanced IoT use cases.

 

How to Prepare for the Transition

Evaluate Your IoT Inventory: Identify which devices and systems are reliant on 2G or 3G and assess their upgrade or replacement needs.

Upgrade to Future-Proof Solutions: Consider investing in IoT devices compatible with 4G, 5G, or LPWAN technologies. Look for devices with multi-network support to maximize flexibility.

Work with Your IoT Provider: Engage with your IoT provider to understand their sunset timelines and transition plans. Many, like OV offer migration assistance or alternative connectivity solutions that will work for you!

Plan for Scalability: The transition is an opportunity to future-proof your IoT infrastructure. Design systems that can adapt to technological advances without frequent hardware replacements.

 

What’s Next for IoT?

The retirement of 2G and 3G networks is a stepping stone towards a hyper-connected future. With the expanded capacity and enhanced capabilities of 4G and 5G, IoT can scale to unprecedented levels, powering everything from smart homes to industrial automation. However, the transition requires careful planning to avoid disruptions and capitalize on new opportunities.

The 2G/3G sunset is more than a technical change; it’s a gate way to innovation. Businesses and industries that proactively adapt will not only weather the transition but thrive in the next era of connectivity.

Are your IoT devices ready for the 2G/3G sunset? Speak to our team today to find out how OV can support you with the transition and future proof your connected devices or click here to find out more about when your devices network will be sunsetting in your area.

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