4117047
Rev 2.2
December 18, 2015
40
5. Terms and Abbreviations
Abbreviation
Definition
ADC
Analog to Digital Converter
AGC
Automatic Gain Control
AT
Attention (prefix for modem commands)
CDMA
Code Division Multiple Access
CF3
Common Flexible Form Factor
CLK
Clock
CODEC
Coder Decoder
CPU
Central Processing Unit
DAC
Digital to Analog Converter
DTR
Data Terminal Ready
EGNOS
European Geostationary Navigation Overlay Service
EMC
Electromagnetic Compatibility
EMI
Electromagnetic Interference
EN
Enable
ESD
Electrostatic Discharges
ETSI
European Telecommunications Standards Institute
FDMA
Frequency-division multiple access
GAGAN
GPS aided geo augmented navigation
GLONASS
Global Navigation Satellite System
GND
Ground
GNSS
Global Navigation Satellite System
GPIO
General Purpose Input Output
GPRS
General Packet Radio Service
GSM
Global System for Mobile communications
Hi Z
High impedance (Z)
IC
Integrated Circuit
IMEI
International Mobile Equipment Identification
I/O
Input / Output
LED
Light Emitting Diode
LNA
Low Noise Amplifier
MAX
Maximum
MIN
Minimum
MSAS
Multi-functional Satellite Augmentation System
N/A
Not Applicable
PA
Power Amplifier
PC
Personal Computer
PCB
Printed Circuit Board
PCL
Power Control Level
PLL
Phase Lock Loop
PWM
Pulse Width Modulation