41110590
Rev 6.1
January 28, 2019
63
Product Technical Specification and
User Guide
References
Abbreviation
Definition
NTC
Negative Temperature Coefficient
OTA
Over the air
PA
Power Amplifier
Pa
Pascal (for speaker sound pressure measurements)
PBCCH
Packet Broadcast Control Channel
PC
Personal Computer
PCB
Printed Circuit Board
PDA
Personal Digital Assistant
PFM
Power Frequency Modulation
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
RST
Reset
RTC
Real Time Clock
RTCM
Radio Technical Commission for Maritime services
RTS
Request To Send
RX
Receive
SCL
Serial Clock
SDA
Serial Data
SIM
Subscriber Identification Module
SMS
Short Message Service
SPI
Serial Peripheral Interface
SPL
Sound Pressure Level
SPK
Speaker
SW
Software
PSRAM
Pseudo Static RAM
TBC
To Be Confirmed
TDMA
Time Division Multiple Access
TP
Test Point
TVS
Transient Voltage Suppressor
TX
Transmit
TYP
Typical
UART
Universal Asynchronous Receiver-Transmitter
UMTS
Universal Mobile Telecommunications System
USB
Universal Serial Bus
USSD
Unstructured Supplementary Services Data
VSWR
Voltage Standing Wave Ratio
WCDMA
Wideband Code Division Multiple Access