Arrangement for signal transmission to/from moving objects has signal processing units for alarm messages from object, control commands to object connected to short message GSM modem

摘要

The arrangement has signal generators, converters, a control unit, a voltage supply, transmitter and receivers for a GSM mobile network, signal processing units for alarm messages from the object and signal processing units for control commands for the object connected to a GSM radio modem for speech-connected short messages.