STMicroelectronics

STMicroelectronics

STMicroelectronics is a leading global semiconductor company that designs and manufactures a broad range of innovative products for various industries. With a focus on delivering high-performance solutions, STMicroelectronics offers a comprehensive portfolio of microcontrollers, sensors, power management solutions, and analog and digital ICs. These products enable efficient and reliable operation in applications such as automotive, industrial automation, IoT, and consumer electronics. STMicroelectronics is committed to sustainability and social responsibility, investing in environmentally friendly manufacturing processes and promoting ethical practices throughout its supply chain. The company's products are designed to meet the highest industry standards, ensuring superior quality and reliability. STMicroelectronics is also dedicated to innovation, investing heavily in research and development to deliver cutting-edge technologies that address the evolving needs of customers. With a global presence and a team of experienced professionals, STMicroelectronics remains a trusted leader in the semiconductor industry, enabling smarter and more sustainable solutions for a better world.

Subscriber Identification Module (SIM) Cards

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ST4SI2M0004TPIFW
ESIM SYSTEM ON CHIP FOR M2M INDU
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PCB Symbol, Footprint & 3D Model
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-40°C ~ 105°C
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ESIM (MFF2)
A (5V), B (3V), C (1.8V)
Arm® SecurCore® SC300™ RISC
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2G, 3G, 4G LTE IOT
5mm L x 6mm W x 1mm H

Subscriber Identification Module (SIM) Cards

SIM cards, also known as Subscriber Identity Module cards, are small memory storage devices that play a critical role in mobile communication technology. These cards contain a unique International Mobile Subscriber Identity (IMSI) number, which is used to authenticate the user on mobile devices. One of the primary functions of a SIM card is to securely store the IMSI number. This number serves as a unique identifier for the user and is used by mobile networks to authenticate them. Without a valid IMSI number, a user cannot access network services such as voice calls, messaging, or data. In addition to the IMSI number, SIM cards can also store other information, such as phone numbers, contact lists, messages, and even applications. This data is stored securely on the card, ensuring that it can only be accessed by authorized users. Another crucial feature of SIM cards is their ability to switch between different mobile networks seamlessly. By swapping out one SIM card for another, users can access various networks, depending on their location or preferences. This feature makes SIM cards a convenient and versatile solution for international travelers who need to switch between different networks to avoid high roaming charges. Overall, SIM cards are essential components in mobile communication technology, providing secure storage for user information, authentication, and network access. Their ability to switch between various networks seamlessly makes them a highly versatile tool for mobile users worldwide.