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１９４８年美国贝尔实验室试制 Ｂｅｌｌ－ｂｏｙ（带铃的仆 人）呼叫寻呼机１９５１年纽约开放第一个小型无线电寻呼业务１９５２年贝尔实验室制成Ｂｅｌｌ－ｂｏｙ呼叫系统１９５５年荷兰开放小型无线电寻呼业务１９５５年美国制成工作在１５０ＫＨＺ寻呼通讯设备１９５８年
1948 Bell Laboratories Bell-boy (Bell-servant) Calling Pager 1951 New York Opens First Small Radio Paging Service 1952 Bell Labs Bell-Boy Calling System 1955 Netherlands Opened Small Radio Paging Business 1955 Made in the USA 150KHZ Paging Communications Equipment 1958