A low cost communication device with alphanumeric display and dialogue function is introduced from the Angle of design and manufacture in this paper.
本文从设计，制作的角度，介绍一种低成本的，具有数显及对讲功能的传呼系统。
By the use of modern digital technology, the shortage of too much wiring of the traditional alphanumeric display communication device is conquered;
该系统采用现代数字科技，克服了传统数显传呼传输线多的缺点；
By the use of modern digital technology, the shortage of too much wiring of the traditional alphanumeric display communication device is conquered;
该系统采用现代数字科技，克服了传统数显传呼传输线多的缺点；
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