A wireless carrier started in 1984 by IBM. 19,200bps (since 1993, still 4,800bps in some areas), 256 byte packets. 800 Mhz, uses 2 watts to transmit. Has 35,000 customers in over 400 metropolitan areas in the US (1993) 90% of US business locations.
Advanced Radio Data Information Services
Advanced Mobile Telephone Service (AMPS)
Prior name of DataTAC network. See DataTAC.
A wireless packet-switched network for public data communications, jointly owned by Motorola and IBM, that allows people carrying handheld devices to send and receive short data messages.
Acronym for Advanced National Radio Data Service—one of the original wireless networks in the United States. Currently known as DataTAC, this technology offers a data rate of up to 19.2 Kbps. The technology was established by IBM and Motorola, but was then acquired by American Mobile Satellite Corporation (Motient).
A radio system developed jointly by Motorola and IBM to provide mobile data services. The system is now operated solely by Motient Corporation.
Established, nationwide packet data system from American Mobile. Provides 19.2 Kbps.
Two-way radio packet technology of the DataTAC network. Always on - no dial up service required. Mostly for enterprise level companies - applications for bar-code scanners and mobile communications.
Advanced National Radio Data Service; established, nationwide packet data system from American Mobile; provides 19.2kbps.