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Hardware Guide
Acronym or Abbreviation
Expansion
RoHS
Restriction of the Use of Certain Hazardous
Substances
REACH
Registration, Evaluation, Authorization and Restriction of
Chemicals
RSE
Radiated Spurious Emission
RUIM
Removable User Identity Module
RX
Receive
SAW
Surface Acoustic Wave
SIMO
SMS
Short Message Service
SMT
Surface Mounting Technology
TBD
T
o Be De
t
ermined
TCU
Telematics Control Unit
TDD
Time Division Duplex
TIS
Total Isotropic Sensitivity
TTFF
Time to First Fix
TVS
Transient Voltage Suppressor
TX
Transmit Direction
UART
Universal Asynchronous Receiver/Transmitter
UL
Up Link
UMTS
Universal Mobile Telecommunications System
USB
Universal Serial Bus
USIM
Universal Subscriber Identity Module
V2X
Vehicle-to-Everything
VoLTE
Voice over LTE
VSWR
Voltage Standing W ave Ratio
WEEE
Waste Electrical and Electronic Equipment
WCDMA
Wideband Code Division Multiple Access
WiFi
Wireless Fidelity
WWAN
Wireless Wide Area Network