无线寻呼接收机的改频宋铁成，沈连丰无线寻呼作为价廉而有效的移动通信手段近年来得到了飞速发展。许多大中城市先后建起了几家甚至几十家寻呼台，它们各自使用着不同的寻呼频点，相邻两个寻呼频点间隔为２５ｋＸｉ．如果某个寻呼接收机（俗称ＢＰ机）要换一家寻呼台使用... Radio paging receiver for frequency conversion Song Tiecheng, Shen Lianfeng As a cheap and effective mobile communication means wireless paging has been rapid development in recent years. Many large and medium-sized cities have successively set up several or even a few dozen paging stations, each using different paging frequencies, with an interval of 25 kXi between two adjacent paging frequencies. If a paging receiver (commonly known as BP) to change a paging station to use ...