User Guide

LARA-R2/R6 migration guide - Application note
UBX-21010015 - R02 Appendix Page 23 of 25
C1-Public
Abbreviation
Definition
HSUPA
High Speed Uplink Packet Access
HTTPS
HyperText Transfer Protocol Secure
I/O
Input/Output
I2C
Inter-Integrated Circuit interface
I2S
Inter IC Sound interface
IP
Internet Protocol
LED
Light Emitting Diode
LGA
Land Grid Array
LNA
Low Noise Amplifier
LPWA
Low Power Wide Area
LTE
Long Term Evolution
LwM2M
Open Mobile Alliance Lightweight Machine-to-Machine protocol
MCS
Modulation and Coding Scheme
MQTT
Message Queuing Telemetry Transport
PA
Power Amplifier
PCS
Personal Communications Service
PMU
Power Management Unit
PSM
Power Saving Mode
N.A.
Not Available / Not Applicable
RAT
Radio Access Technology
RF
Radio Frequency
RI
Ring Indication
Rx
Receiver
RTC
Real Time Clock
RTS
Request To Send
SAW
Surface Acoustic Wave
SDIO
Secure Digital Input Output
SIM
Subscriber Identification Module
SMS
Short Message Service
SPI
Serial Peripheral Interface
TCP
Transmission Control Protocol
TDD
Time Division Duplex
TLS
Transport Layer Security
TP
Test Point
Tx
Transmitter
UART
Universal Asynchronous Receiver-Transmitter
uCSP
u-blox Common Services Platform
UDP
User Datagram Protocol
uFOTA
u-blox Firmware update Over The Air
UL
Up-Link (Transmission)
UMTS
Universal Mobile Telecommunications System
URC
Unsolicited Result Code
USB
Universal Serial Bus
VoLTE
Voice over LTE
Table 7: Explanation of the abbreviations and terms used