| 摘要 |
PURPOSE:To obtain an always stable reception electric field by fitting a reception electric field level display device to a portable radio telephone set main body attachably and detachably. CONSTITUTION:The titled set consists of an antenna 1, a radio transmission/ reception section 2 and a keyboard section 2 and the radio transmission/ reception section 2 is provided with a plug outlet 11. The keyboard section 3 is provided with a reception section 4, a display section 5, a ten-key 6 and a transmitter 7, and a reception electric field level and a numeral are displayed on the display section 5. The reception electric field level display device consists of a reception electric field level display main body 9, a cord 10 connected to the said main body 9 and a plug 8 connected to the tip of the cord 10. In plugging the plug 8 to the plug receptacle 11 of the portable radio telephone set main body, the main body 9 is connected to a portable radio telephone set main body 13 through the cord 10. |
