A cellular telephone adapted to be used in a CDMA system, comprising:</claim-text> an antenna for receiving a first communication signal and a transmitting power control signal from a cell-site station and transmitting a second communication signal e cell-site station, a duplexer connected to said antenna, a receiver connected to said antenna through said duplexer for converting said first communication signal into a voice signal code, and for outputting a power control signal derived from said transmitting power control signal sent from said cell-site station, an encoder/decoder apparatus connected to said receiver and an acoustic transducer for converting said voice signal code into an audio signal for driving said acoustic transducer and converting an audio input signal from said acoustic transducer into an input voice code signal, a transmitter connected to said encoder/decoder apparatus and to said antenna through said duplexer for converting said input voice code signal into said second communication signal, and a controller connected to said receiver and said transmitter for controlling an amplitude of said transmitter, wherein said transmitter includes a variable amplitude amplifier and a power amplifier, said controller includes a central processing unit and a memory, said controller controls said transmitter so that an open-loop power control is performed and then a closed-loop power control is performed according to said power control signal so as to control the transmitted power to converge into a range required by said cell-site station, and said controller controls a gain of said variable amplitude amplifier and a bias condition of said power amplifier using a set of bias and gain data stored in said memory. view more

A portable terminal, comprising:</claim-text> a device for getting location information denoting a resent place of said portable terminal; a device for getting a direction information denoting an orientation of said portable terminal; an input device nputting a destination; and a display, wherein said display displays positions of said destination and said present place, and a relation of said direction and a direction from said present place to said destination, and said display changes according to a change of said direction of said portable terminal orientation for walking navigation. view more

A portable terminal according to claim 1,</claim-text> wherein said direction from said present place to said inputted destination is denoted with an orientation of line.

A portable terminal according to claim 1,</claim-text> wherein a distance between said present place and said destination is denoted with a number.