| 摘要 |
PURPOSE:To attain smooth communication with a radio base station to which the title equipment is located at carrying and with a broad band radio base station at on-vehicle by varying the transmission power of the radio equipment at carrying and at on-vehicle. CONSTITUTION:A mobile radio equipment 50 is connected to a mobile radio equipment side power supply B1 at carrying and connected to an automobile power supply B2 in the case of vehicle mount. Thus, the transmission power of the mobile radio equipment is set at carrying so as to be sent to radio base station 30-n in a zone to which the equipment is located. Moreover, the power is set so as to be sent to a broad band radio base means 17-i at carrying. Thus, smooth communication is attained with the radio base station or the broad band radio base station at carrying or at on-vehicle mount. |
