STMicroelectronics Deploys New Generation eSIM Hardware
IoT
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Swiss-based semi-conductor company STMicroelectronics has introduced the ST4SIM-300, the first embedded SIM (eSIM) hardware component that adheres to the new GSMA eSIM IoT Technical Specification (SGP.32). This new spec chip builds on existing eSIM standards, incorporating new IoT protocols enabling easier remote, over-the-air (OTA) programming of device subscriber identities for hyper-scalable global network connectivity.
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Enhanced interoperability
Designed for compact IoT devices like asset trackers, utility meters, and portable healthcare devices, the ST4SIM-300 ensures interoperability across global 4G and 5G networks and is suitable for bandwidth-constrained applications such as narrow-band IoT (NB-IoT). The plug-and-play chip, along with the associated IoT protocols, streamlines the management of connected fleets, making it equally accessible to multinational enterprise as to smaller-scale operators.
Broader compatibility
The new chip is fully GSMA- compliant for remote SIM provisioning, is compatible with 2G, 3G, 4G (LTE), CDMA, NB-IoT, and CAT-M networks. The chip utilizes an ISO/IEC 7816 protocol to communicate with the device modem, facilitating OTA updates of subscriber IDs. Available in various packages, including PCB-mountable DFN and WLCSP, as well as physical SIM card configurations, the chip includes optional embedded secure elements (eSEs) for secure storage and crypto services.
The eSIM advantage
Embedded SIM (eSIM) technology serves the same function as traditional physical SIM cards but offers advantages in terms of weight and space for more compact designs, increased robustness, plus the ability for remote profile swapping. The recent GSMA eSIM specifications (SGP.32) further enhances eSIM capabilities by enabling device OEMs to manage subscriber identities, simplifying OTA configuration for global cellular networks.
Future markets
STMicroelectronics foresees its next-gen eSIM hardware playing a key role in secure asset tracking and data handling across diverse applications, from smart homes to industrial sensors. To find out how to incorporate the latest developments in eSIM hardware, software and technology into your business, contact us right here at 1GLOBAL.
About 1GLOBAL
1GLOBAL is a distinguished international provider of specialty telecommunications services catering to Global Enterprises, Financial Institutions, IoT, Mobile Operators and Tech & Travel companies. 1GLOBAL is an eSIM pioneer, a fully accredited and GSMA-certified telco, a full MVNO in ten countries, fully regulated in 42 countries, and covers 190+ countries.
It delivers comprehensive communication solutions that encompass Voice, Data & SMS - all supported by a unique global core network. Its constantly expanding portfolio of advanced products and services includes White Label eSIMs, Connectivity Solutions, Compliance and Recording, Consumer & M2M SIM Provisioning and an Entitlement Server.
is an extensively experienced creative who has worked as a lead copywriter for numerous global clients and international household names, working on through-the-line projects, creative copy, ideation, content, marketing and brand activation for highly diverse industries in the business world. Duncan's career has included almost every sector imaginable, particularly across the tech space, making his news and industry analysis focused on eSIM, IoT and business connectivity both well-informed and engaging. 
