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WA_DEV_W218_PTS_002 Rev 005 Page 18 of 109
Product Technical Specification &
Customer Design Guidelines
Abbreviation
Definition
IF
Intermediate Frequency
IMEI
International Mobile Equipment Identification
I/O
Input / Output
LCD
Liquid Crystal Display
LED
Light Emitting Diode
LNA
Low Noise Amplifier
LSB
Less Significant Bit
MAX
MAXimum
MIC
MICrophone
MIN
MINimum
MMS
Multimedia Message Service
MO
Mobile Originated
MS
Mobile Station
MT
Mobile Terminated
na
Not Applicable
NF
Noise Factor
NMEA
National Marine Electronics Association
NOM
NOMinal
NTC
Negative Temperature Coefficient
PA
Power Amplifier
Pa
Pascal (for speaker sound pressure measurements)
PBCCH
Packet Broadcast Control CHannel
PC
Personal Computer
PCB
Printed Circuit Board
PCL
Power Control Level
PCM
Pulse Code Modulation
PDA
Personal Digital Assistant
PFM
Power Frequency Modulation
PLL
Phase Lock Loop
PSM
Phase Shift Modulation
PWM
Pulse Width Modulation
RAM
Random Access Memory
RF
Radio Frequency
RFI
Radio Frequency Interference
RHCP
Right Hand Circular Polarization
RI
Ring Indicator
RMS
Root Mean Square
RST
ReSeT
RTC
Real Time Clock
RTCM
Radio Technical Commission for Maritime services