PWT (Personal Wireless Telecommunications)

A U.S. standard for digital cordless telephony, based

on the pan-European Digital Enhanced Cordless Telecommunications (DECT) standard. Through frequency division multiplexing (FDM), PWT provides 10 carriers in the unlicensed 1910–1920 MHz band, with channel spacing at 1.25 MHz. Each channel will support 1.152 Mbps using /4 differential quaternary phase shift keying (/4 DQPSK) modulation. Each channel supports 12 users through time division multiple access (TDMA) and time division duplex (TDD), for a total system load of 120 users. Voice

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• SLIP (Serial Line Internet Protocol)
• SLIP (Serial Line Internet Protocol)
• slotted Aloha
• small and medium enterprise (SME)
• small business enterprise (SBE)
• Small Computer System Interface (SCSI)
• small office/home office (SOHO)
• SMDR (Station Message Detail Record)
• SMDS (Switched Multimegabit Data Service)
• SME
• Smell-O-Vision
• SMF (Single-Mode Fiber)
• SMF (Single-Mode Fiber)
• S/MIME (Secure Multipurpose Internet Mail Extension)
• S/MIME (Secure Multipurpose Internet Mail Extension)
• SMR (Specialized Mobile Radio)
• SMS
• SMSC (Short Message Service Center)
• SMTP (Simple Mail Transfer Protocol)
• SNAFU (Situation Normal All Fouled Up)
• SNAFU (Situation Normal All Fouled Up)
• SNA (Systems Network Architecture)
• SNMP (Simple Network Management Protocol)
• SNMP (Simple Network Management Protocol)
• SNR (Signal-to-Noise Ratio)