迷人的新型通信知识陈晓虹儿童寻呼器它外观象一只手表。使用时，戴在儿童的手腕上，家长手中的呼叫发送装置可发出现在回家，回家吃饭等４种简单指令。呼叫装置还可编制程序，在规定的时间发送指令。其使用范围为２～４千米。传”大哥大”这种多用途的新机，重量仅４磅，... Charming new communication knowledge Chen Xiaohong child pager it looks like a watch. When used, worn on the child’s wrist, the call sending device in the hands of the parents can send out 4 simple instructions such as returning home now and going home for dinner. The calling device can also program to send instructions at the specified time. Its use range of 2 to 4 km. Biography “Big Brother” this versatile new machine, weighs only 4 pounds, ...