A portable communications and data terminal having multiple modes of operation

A portable radio telephone handset includes the capability of operating as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation are available in the handset, an analog cellular communication mode and a Cellular Digital Packet Data (CDPD) mode. A...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KASMIR, SETON, P, KUBASAK, KATHRYN, A, BURTIS, DONALD, W, POONPOL CHANCHAI, BANDAVA, SURENDRA, B, HEIN, GREGORY, A, LUBIN, MICHAEL, L, HEDAYAT SHAHIN
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY WIRELESS COMMUNICATIONS NETWORKS
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