双向传呼在美国面世许多人都嫌传呼机只能单向传讯，但世界上第一台既能读取传呼讯息，又能应答的双向传呼服务最近由美国Ｓｋｙｔｅｌ公司率先推出。该传呼机可使用预留的频率与个人无线通讯联网。用户还可利用新型传呼机上的四线通讯盘读取信息并予应答，也可预告编好某... Two-way paging available in the United States Many people call pagers only one-way messaging, but the world’s first two-way paging service that can both read and send paging messages was the first to be launched by Skytel. The pager can be networked with personal wireless communications using the reserved frequency. Users can also take advantage of the new pager on the four-wire communication disk read the information and to answer, can also be scheduled to compile a good ...