User's Guide

Glossary
DK (Development Kit)
A development platform used for application development.
GPIO
General-Purpose Input/Output
Global Positioning System (GPS)
A satellite-based radio navigation system that provides its users with accurate location and time
information over the globe.
Integrated Development Environment (IDE)
A software application that provides facilities for software development.
MCUboot
A secure bootloader for 32-bit microcontroller units, which is independent of hardware and
operating system.
Near Field Communication (NFC)
A standards-based short-range wireless connectivity technology that enables two electronic devices
to establish communication by bringing them close to each other.
Personal Unblocking Key (PUK)
A digit sequence required in 3GPP mobile phones to unlock a SIM that has disabled itself after an in
correct personal identification number has been entered multiple times.
Software Development Kit (SDK)
A set of tools used for developing applications for a specific device or operating system.
SEGGER Embedded Studio (SES)
A cross-platform IDE for embedded C/C++ programming with support for Nordic Semiconductor
devices, produced by SEGGER Microcontroller.
Subscriber Identity Module (SIM)
A card used in User Equipment (UE) containing data for subscriber identification.
System in Package (SiP)
A number of integrated circuits, often from different technologies, enclosed in a single module that
performs as a system or subsystem.
System on Chip (SoC)
A microchip that integrates all the necessary electronic circuits and components of a computer or
other electronic systems on a single integrated circuit.
User Equipment (UE)
Any device used by an end-user to communicate. The UE consists of the Mobile Equipment (ME) and
the Universal Integrated Circuit Card (UICC).
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