PURPOSE: To provide the economical telephone set by which the sphere of action of the user is extended.

CONSTITUTION: The mobile radio telephone set is roughly divided into a main body transmitter section 1 and a portable receiver section 2, and the transmitter section 1 is provided with an antenna 3 for transmission reception to/from a base station, a multicoupler 4, a radio transmitter 5, a transmission controller 6, a cordless receiver 7 and a power supply device 8. The receiver section 2 is provided with an antenna 10 used to receive a radio wave from the base station, a radio receiver 11, a main controller 12, a speaker 13, a microphone 14, a press-to-talk switch 15, a cordless transmitter 16 and a power battery 17, and is removable through connectors 9, 20, and the receiver section 2 is exclusively for the reception and the transmission from the receiver section 2 is implemented from the transmitter section 1 via cordless handsets 16, 7.