AnelaTek Solutions Sdn Bhd is an innovative and unique security technology solutions provider based in Malaysia. We provide state-of-the-art security solutions for government agencies and medium to large commercial enterprises with a need for advanced security technology.

**Anatomy of a SIM Card**

**Anatomy of a SIM Card** Let’s break down what’s stored inside that tiny chip: 1️⃣ **ICCID (Integrated Circuit Card Identifier)**: – A **19-20 digit serial number** etched into the SIM. – Example: `8944 50 1234567890 1` → *Country code (89), Network code (44), Unique ID, Checksum*. 2️⃣ **IMSI (International Mobile Subscriber Identity)**: – A **15-digit […]

The Evolution from SIM-> eSIM -> iSIM

The Evolution from SIM-> eSIM -> iSIM SIM (Subscriber Identity Module) is a reliable method of identifying users, checking the authenticity of endpoint devices, and securing their data. Over the years, SIMs have shrunk from the original plastic card to Mini-SIM, Micro SIM, and finally Nano-SIM. Regardless of the packaging, all SIMs are built on […]

eSIM “embedded Subscriber Identity Module”

eSIM “embedded Subscriber Identity Module” is a digital SIM technology integrated directly into devices. It allows users to store multiple carrier profiles on a single chip, enabling easy switching between networks up to its memory capacity. The procedure of remotely provisioning a Profile into an eSIM is called RSP “Remote SIM Provisioning”. RSP main components… […]

Understanding IoT SIMs

What are SIM form factors The size and form of a physical SIM is known as its form factor (FF). Removable SIMs are available in a range of standard sizes ranging from 1FF, the first and largest SIM to be developed, to 4FF or nano-SIM, the latest and smallest SIM. There are also embedded SIM […]