Metadata
Author: WikiMatrix
Data
English[en]
Technologies used in pre-cellular systems included the Push to Talk (PTT or manual), Mobile Telephone Service (MTS), Improved Mobile Telephone Service (IMTS), and Advanced Mobile Telephone System (AMTS) systems.
Spanish[es]
Las tecnologías utilizadas en los sistemas pre-celulares incluyeron el Push to Talk (PTT o manual), Mobile Telephone System (MTS), Mejora del Servicio de Telefonía Móvil (ECIM) y Advanced Mobile Telephone System Systems (AMTS).