Glossary
AT command
A command used to control the modem.
Band-Pass Filter (BPF)
An electronic device or circuit that passes frequencies within a certain range and rejects frequencies
outside that range.
Cat-M1
category with a single RX antenna, specified in 3GPP Release 13.
Cat-NB1
category with 200 kHz UE bandwidth and a single RX antenna, specified in 3GPP Release
13.
Clear to Send (CTS)
In flow control, the receiving end is ready and telling the far end to start sending.
Development Kit (DK)
A hardware development platform used for application development.
Embedded SIM (eSIM)
A form of programmable
that is embedded directly into a device.
Fast Identity Online (FIDO)
A bundle of hardware and software modules serving as a tracing interface between traced device(s)
and user application.
General-Purpose Input/Output (GPIO)
A digital signal pin that can be used as input, output, or both. It is uncommitted and can be
controlled by the user at runtime.
Global Positioning System (GPS)
A satellite-based radio navigation system that provides its users with accurate location and time
information over the globe.
Hardware Flow Control (HWFC)
A handshaking mechanism used to prevent an overflow of bytes in modems. It uses two dedicated
pins on the RS-232 connector, Request to Send and Clear to Send.
Inter-integrated Circuit (I
2
C)
A multi-master, multi-slave, packet-switched, single-ended, serial computer bus.
Low-Dropout Regulator (LDO)
A linear voltage regulator that can operate even when the supply voltage is very close to the desired
output voltage.
4418_1216
44