3G EVB Replacement Guide: Migrate to 4G LTE or 5G RedCap

The phrase '3G EVB' refers to 3G Evaluation Boards used for prototyping cellular IoT applications. As of 2026, the market for 3G EVBs has shifted from active development to maintenance and transition phases, as global network sunsetting accelerates.

Market Trends & Connectivity Shifts

* The 3G Sunset: Major carriers worldwide are decommissioning 3G networks to "refarm" spectrum for 5G. While the U.S. has largely completed its sunset, 2026 is a critical deadline for regions like Canada (e.g., TELUS scheduled for March 31, 2026) and parts of Europe Digi.

* Migration Path: Prototyping is rapidly moving toward 4G LTE Cat 1/4 and 5G RedCap (Reduced Capacity). 4G LTE is expected to remain the "workhorse" for at least another decade, while NB-IoT and LTE-M are replacing 3G in low-power utility and sensor applications Digi Lucintel.

* Evaluation Board Growth: The broader evaluation board market is projected to reach $7.3 billion by 2030, with a focus on integrating AI accelerators, 5G, and Wi-Fi 6 to support smarter IoT ecosystems Lucintel.

Product Availability & Sourcing Insights

Although 3G is a legacy technology, boards for modules like the SIM5320 or Quectel UC20 remain available for legacy support and niche markets.

* Legacy 3G Kits: Basic development kits for SIMCOM or Quectel 3G modules are priced between $50–$200 Alibaba Alibaba.

* Transition Options: 4G LTE Cat 1 development kits, which serve as the primary replacement for 3G M2M applications, are widely available starting as low as $30–$45 Alibaba.

* Future-Proofing: 5G-ready expansion modules for platforms like Raspberry Pi are now entering the market, though at a higher price point (around $190+) Alibaba.

I have compiled a comprehensive list of current 3G evaluation boards, along with 4G and 5G transition alternatives, in the files below.