N-AMPS (Narrowband Advanced Mobile Phone Service)

An improvement on the AMPS 1G

analog cellular radio technology that tripled system capacity, by splitting each 30 kHz channel into three 10 kHz voice channels. Very few cellular providers in the United States deployed N-AMPS. See also 1G, analog, cellular radio, channel, and AMPS.

• service node
• service-oriented architecture (SOA)
• service profile identification (SPID)
• service set identifier (SSID)
• service switching point (SSP)
• Sesame (Secure European System for Applications in a Multivendor Environment)
• session
• Session Description Protocol (SDP)
• Session Initiation Protocol (SIP)
• Session Initiation Protocol (SIP) for Instant Messaging and Presence Leveraging Extensions (SIMPLE)
• Session Layer
• set handler
• set-top box
• severely errored cell block ratio (SECBR)
• SFTP (Shielded Foil Twisted Pair)
• SGCP (Simple Gateway Control Protocol)
• SGML (Standard Generalized Markup Language)
• Shannon, Claude Elwood (1916–2001)
• Shannon, Claude Elwood (1916–2001)
• Shannon, Claude Elwood (1916–2001)
• Shannon’s Law
• shared bus switch
• Shared Registry System (SRS)
• SHDSL (Symmetric High-bit-rate Digital Subscriber Line)
• sheath