产品线涵盖显示器、监控系统、视讯多媒体系统、电梯对讲机及其他周边零配件，如电子式到楼铃等。
Our product line including Displays, Elevator Monitoring System, Elevator Information Multi-media System, Intercom and other accessories like Electronic Chime.
主营产品有案例部件、挖掘系统、变频器、光幕、对讲机、编码器等等。
The main products are safety components, control system, frequency converter. light curtains, intercom, encoders, and so on.
本文所研究的TDD数字对讲机，它为无绳电话、集群通信系统提供了另一种基于TDD方式的选择方案。
The digital handset studied in this thesis can provide another resolvent based on TDD for the Trunked communication system and cordless phone system.
而整体系统则是数显传呼与双工对讲机较完善的有机组合体。
The whole system is the combination of the two function-alphan…
论述了数字加密对讲机的工作原理、系统硬件和软件的实现方法、工作流程，给出了系统的评估方法和评估结果。
This paper expounds the operation principle of the system, implementation of software and hardware, and workflow as well as assessment method and result.
每个系统带有内置警报器，并能集成其他安全要素，如门禁和对讲机。
Each unit has built-in alarms and can integrate with other security elements such as access control and intercoms.
每个系统带有内置警报器，并能集成其他安全要素，如门禁和对讲机。
Each unit has built-in alarms and can integrate with other security elements such as access control and intercoms.
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