Data Sheet

SARA-R4/N4 series - Data Sheet
UBX-16024152 - R16 Labeling and ordering information Page 36 of 39
Appendix
A Glossary
Abbreviation
Definition
ADC
Analog to Digital Converter
DDC
Display Data Channel (I
2
C compatible) Interface
DL
Down-link (Reception)
DRX
Discontinuous Reception
eDRX
Extended Discontinuous Reception
ERS
External Reset Input Signal
ESD
Electrostatic Discharge
FDD
Frequency Division Duplex
FOAT
Firmware update Over AT commands
FOTA
Firmware update Over The Air
FW
Firmware
GDI
Generic Digital Interfaces (power domain)
GND
Ground
GPIO
General Purpose Input Output
I
Input (means that this is an input port of the module)
I
2
C
Inter-Integrated Circuit Interface
I
2
S
Inter-Integrated circuit Sound Interface
IMEI
International Mobile Equipment Identity
LGA
Land Grid Array
LPWA
Low Power Wide Area
LTE
Long Term Evolution
LWM2M
Open Mobile Alliance Lightweight Machine-to-Machine protocol
N/A
Not Applicable
O
Output (means that this is an output port of the module)
OD
Open Drain
PCN
Product Change Notification / Sample Delivery Note / Information Note
POS
Power-On Input Signal
PSM
Power Saving Mode
RMC
Reference Measurement Channel
SDIO
Secure Digital Input Output
SIM
Subscriber Identity Module
SPI
Serial Peripheral Interface
TBD
To Be Defined
TDD
Time Division Duplex
UART
Universal Asynchronous Receiver-Transmitter serial interface
UL
Up-link (Transmission)
USB
Universal Serial Bus
VoLTE
Voice over LTE
Table 34: Explanation of the abbreviations and terms used