PURPOSE: To provide a pocket message device by which exact information is transmitted by voice with the feeling of a pocket beeper and a radio line is effectively utilized by a repeater for managing a many mobile receiving terminals.

CONSTITUTION: A user inputs an opposite side terminal code and information desired to be transmitted as voice from a key telephone system 12 of a public line network 13 while connecting this device to any one input terminal of a repeater 1. At the repeater 1, voice data are outputted from a radio transmitter together with the opposite side terminal code. When that terminal code is matched with its own opposite side terminal code of a mobile receiving terminal equipment 2, the equipment 2 starts reception, temporarily preserves the received data in a RAM and reproduces the received data as voice at need.