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Nordic Semiconductor’s nRF9151 cellular IoT module enhances IIJ SoftSIM capabilities in Japan

April 21, 2025

Posted by: Marion Webber

Nordic Semiconductor’s nRF9151 low power module for advanced cellular Internet of Things (IoT) applications now includes SoftSIM support for Japan’s only SoftSIM provider, Internet Initiative Japan Inc. (IIJ). By using a SoftSIM instead of a traditional SIM, product developers can reduce SIM and Bill of Materials (BoM) costs, simplify design and lower power consumption for cellular IoT end products based on Nordic’s nRF9151 module. SoftSIM is ideal for space-constrained cellular IoT devices with low power consumption requirements, such as wearables and smart sensors.

nRF9151 SoftSIM support in Japan

The nRF9151 module, integrated with IIJ’s SoftSIM technology, supports communication profiles for use in Japan and internationally. The SoftSIM not only eliminates the need for physical SIM cards and sockets, but it also enables global connectivity solutions with reduced size and power consumption. IIJ provides comprehensive SoftSIM support and assistance with proof-of-concept development.

“Our collaboration with IIJ allows us to offer a SoftSIM solution that combines Nordic’s cutting-edge cellular IoT hardware with Japan’s leading SoftSIM experts,” said Bjørn Åge “Bob” Brandal, the VP of sales and marketing of APAC at Nordic Semiconductor. “The integration of nRF9151 and IIJ’s SoftSIM delivers significant reductions in BOM and manufacturing costs, enables design miniaturisation and simplifies global connectivity for our customers, particularly in the strategic Japanese market.”

Robust security features

Nordic’s nRF9151 is a highly integrated and compact module with a multimode modem, advanced processing capabilities, and robust security features delivering performance and versatility. The nRF9151 achieves a 20% smaller footprint compared to its predecessors and will also support Non-Terrestrial Network (NTN) technology. NTN enables IoT connectivity to reach even the most remote areas of the planet, unlocking new possibilities for global coverage.

Using the nRF9151, developers can enjoy out-of-the-box connectivity as well as tailor applications to their specific requirements. The SoftSIM solution offers access to globally certified cellular IoT technology, simplifying regulatory compliance for IoT devices globally and enhancing support for Japan-specific IoT applications and standards.

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