Quectel BC65 - Page 56

NB-IoT Module Series
BC65 Hardware Design
BC65_Hardware_Design 55 / 55
UART
Universal Asynchronous Receiver & Transmitter
UDP
User Datagram Protocol
URC
Unsolicited Result Code
USIM
Universal Subscriber Identification Module
VSWR
Voltage Standing Wave Ratio
Vmax
Maximum Voltage Value
Vnorm
Normal Voltage Value
Vmin
Minimum Voltage Value
V
IH
max
Maximum Input High Level Voltage Value
V
IH
min
Minimum Input High Level Voltage Value
V
IL
max
Maximum Input Low Level Voltage Value
V
IL
min
Minimum Input Low Level Voltage Value
V
OH
max
Maximum Output High Level Voltage Value
V
OH
min
Minimum Output High Level Voltage Value
V
OL
max
Maximum Output Low Level Voltage Value
V
OL
min
Minimum Output Low Level Voltage Value