S
S/I
.
Signal-to-interference
SAAL
.
signaling adaptation layer
SAR
.
segmentation and reassembly
SAW
.
Surface acoustic wave
SBC
.
single-board computer
SCADA
.
supervisory control and data-acquisition systems
S-CDMA
.
Synchronous code division multiple access
SCO
.
synchronous connection oriented
SCTE
.
Society of Cable Telecommunications Engineers
SDH
.
Synchronous digital hierarchy
SDMA
.
Space Division Multiple Access
SER
.
Symbol error rate
SFDR
.
Spurious free dynamic range
SIA
.
Satellite Industry Association
SID
.
Society of Information Displays
SiGe
.
silicon
germanium
SIM
.
subscriber identity module
SINAD
.
Signal-to-noise-and-distortion
SLIC
.
subscriber line IC
SMD
.
surface-mount package
SMDS
.
switched multi-megabit data service
SMP
.
surface-mount package
SMPTE
.
Society of Motion Picture and Telelvision Engineers
SMR
.
specialized mobile radio
SMS
.
short message service
SMT
.
surface-mount technology
SMTP
.
simple mail transport protocol
SNMP
.
simple network management protocol
SNR
.
Signal-to-noise ratio
SOC
.
system-on-a-chip
SOHO
.
small office/ home office
SOI
.
silicon-on-insulator
SOIC
.
small outlien integrated circuit
SONET
.
Synchronous Optical Network
SOS
.
silicon-on-sapphire
SPDT
.
single-pole, double-throw
SPICE
.
sSimulation Program with Integrated Circuit Emphasis
SPM
.
Spurious phase modulation
SPX
.
sequenced packet exchange
SQNR
.
Signal-to-quantization noise ratio
SRAM
.
static random-access memory
SS7
.
signaling
system 7
SSB
.
Single sideband
SWAP
.
Shared Wireless Acess Protocol
SWR
.
standing wave ratio