LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 62 / 62
I/O
Input/Output
LED
Light Emitting Diode
LTE
Long Term Evolution
MIC
Microphone
NC
Not Connected
PC
Private Computer
PCB
Printed Circuit Board
PCM
Pulse Code Modulation
PO
Power Output
RF
Radio Frequency
SD
Secure Digital
UART
Universal Asynchronous Receiver & Transmitter
UMTS
Universal Mobile Telecommunications System
USB
Universal Serial Bus
U(SIM)
(Universal) Subscriber Identity Module
VBAT
Voltage of Battery