EN-790U能满足带电检修作业、输电线路检修作业、变电站检修作业，操作简单，佩戴方便，解放工作人员的双手，使工作更安全、更高效。无线通话，实时多方联通，可多方同时通话，真正的全双工同时在线。

    EN-790U can satisfy the needs of electrified maintenance operations, electricity transmission line maintenance operations, substation maintenance operations, its simple operation will make to work safer and more efficient.Wireless call, real-time multi-communication, multi-directional simultaneous call, true full-duplexat the same time online.

◇无需主机就可实现多人全双工对讲

    Multi full duplex intercom can be achieved without host.

◇3颗7号普通电池，更换方便简单

    3 units of AAA battery as the power supply.

◇体积小巧，,便于携带或隐藏佩带

    Name card size is convenient to bring or wearing.

◇可选头戴耳机、领夹耳机、单边挂耳机、封闭式耳机等

     Optional headset, lavalier headset, unilateral hanging headphones, closed headphones, etc..

◇USB接口，可外接各种音频设备和音源，方便扩音和外接信号

    USB port is available for different audio resources input, that benefits sound amplification and adjustment.

◇可配备与摄像机连接的固定件，用作采访

    Optional camera fixed part for interviewing.