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WA_DEV_W218_PTS_002 Rev 005 Page 19 of 109
Product Technical Specification &
Customer Design Guidelines
Abbreviation
Definition
RTS
Request To Send
RX
Receive
SCL
Serial CLock
SDA
Serial DAta
SIM
Subscriber Identification Module
SMD
Surface Mounted Device/Design
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
TU
Typical Urban fading profile
TUHigh
Typical Urban, High speed fading profile
TVS
Transient Voltage Suppressor
TX
Transmit
TYP
TYPical
UART
Universal Asynchronous Receiver-Transmitter
UBX
µ-blox proprietary protocol (NE DOIT PAS APPARAITRE)
USB
Universal Serial Bus
USSD
Unstructured Supplementary Services Data
VSWR
Voltage Standing Wave Ratio
WAP
Wireless Application Protocol