The glossary contains terms and acronyms that are used in this document.
AT command
A command used to control the modem.
AT command
Cat-NB1
NB-IoT
User Equipment (UE) category with 200 kHz UE bandwidth and a single RX antenna, specified in 3GPP Release 13.
Cat-NB2
An upgraded version of
Cat-NB1, specified in 3GPP Release 14.
Discontinuous Reception (DRX)
A method in mobile communication to conserve the battery of a mobile device by turning
the RF modem in a sleep state.
DRX
Internet of Things (IoT)
Physical objects that are embedded with sensors, processing ability, software, and other technologies that connect and exchange data with other devices and systems of the Internet or other communications networks.
IoT
Long-Term Evolution (LTE)
A wireless broadband communication standard for mobile devices and data terminals, based on the GSM/EDGE and UMTS/HSPA technologies.
LTE
LTE-M
An open standard that is most suitable for medium throughput applications requiring
low power, low latency, and/or mobility, like asset tracking, wearables, medical, POS, and
home security applications. Also known as Cat-M1.
Reference Signal Received Power (RSRP)
The average power level received from a single reference signal in an LTE (Long-Term
Evolution) network.
RSRP
Signal-to-Noise Ratio (SNR)
The level of signal power compared to the level of noise power, often expressed in
decibels (dB).
SNR
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).
UE