Quectel EC25 Mini PCIe - Page 80

LTE Standard Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design 79 / 79
PDA
Personal Digital Assistant
PDU
Protocol Data Unit
POS
Point of Sale
PPP
Point-to-Point Protocol
RF
Radio Frequency
RTS
Ready To Send
Rx
Receive
SIMO
Single Input Multiple Output
SMS
Short Message Service
TX
Transmitting Direction
TVS
Transient Voltage Suppressor
UART
Universal Asynchronous Receiver & Transmitter
UL
Uplink
URC
Unsolicited Result Code
USB
Universal Serial Bus
(U)SIM
(Universal) Subscriber Identification Module
WCDMA
Wideband Code Division Multiple Access
WLAN
Wireless Local Area Networks