Quectel EC25-V - Page 65

LTE Module Series
EC25-V User Manual
EC25-V_User_Manual Confidential / Released 64 /
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EFR
Enhanced Full Rate
ESD
Electrostatic Discharge
FDD
Frequency Division Duplex
FR
Full Rate
GLONASS
GLObalnaya NAvigatsionnaya Sputnikovaya Sistema, the Russian Global
Navigation Satellite System
GMSK
Gaussian Minimum Shift Keying
GNSS
Global Navigation Satellite System
GPS
Global Positioning System
GSM
Global System for Mobile Communications
HR
Half Rate
HSPA
High Speed Packet Access
HSDPA
High Speed Downlink Packet Access
HSUPA
High Speed Uplink Packet Access
I/O
Input/Output
Inorm
Normal Current
LED
Light Emitting Diode
LNA
Low Noise Amplifier
LTE
Long Term Evolution
MO
Mobile Originated
MS
Mobile Station (GSM engine)
MT
Mobile Terminated
PAP
Password Authentication Protocol
PCB
Printed Circuit Board
PDU
Protocol Data Unit