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LTE Module Series
EC20 Mini PCIe Hardware Design
EC20_Mini_PCIe_Hardware_Design Confidential / Released 36 / 36
HSPA
High Speed Packet Access
HSDPA
High Speed Downlink Packet Access
HSUPA
High Speed Uplink Packet Access
kbps
Kilo Bits Per Second
LED
Light Emitting Diode
LTE
Long-Term Evolution
Mbps
Million Bits Per Second
ME
Mobile Equipment (Module)
MIMO
Multiple-Input Multiple-Output
MMS
Multimedia Messaging Service
MO
Mobile Originated
MT
Mobile Terminated
PCM
Pulse Code Modulation
PDU
Protocol Data Unit
PPP
Point-to-Point Protocol
RF
Radio Frequency
Rx
Receive
USIM
Universal Subscriber Identification Module
SMS
Short Message Service
TTFF
Time To First Fix
UART
Universal Asynchronous Receiver & Transmitter
UL
Up Link
UMTS
Universal Mobile Telecommunications System
URC
Unsolicited Result Code
WCDMA
Wideband Code Division Multiple Access
Quectel
Confidential