Quectel RG255C-GL Hardware Design page 58

TX
TVS
UART
UDP
UL
URC
USB
(U)SIM
WLAN
RG255C-GL_Mini_PCIe_Hardware_Design
Transmitting Direction
Transient Voltage Suppressor
Universal Asynchronous Receiver & Transmitter
User Datagram Protocol
Uplink
Unsolicited Result Code
Universal Serial Bus
(Universal) Subscriber Identification Module
Wireless Local Area Network
5G Module Series
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