新一代无绳电话咏丘用过无绳电话（俗称二哥大）的人都知道，它虽然方便，但也有不少缺点，如不能离开基座太远，附近的信号会产生静电干扰，以及电话很容易被人窃听等。现在已有新一代产品问世，美国几家公司及日本的松下公司接连推出新品。前述的问题，都已得到妥善解决... The new generation of cordless phones Yongqiu used cordless phone (commonly known as brother Columbia) who knows, although it is convenient, but there are many shortcomings, such as not too far away from the base, the signal near the static electricity will be generated, and the phone is very Easy to be eavesdropping and so on. Now a new generation of products has come out, several companies in the United States and Japan’s Matsushita launched a series of new products. The aforementioned problems have all been properly solved ...