T-7703E Two Key Ask For Help&Emergency Intercom Terminal

* With Rectangular embedded design, simple and smooth appearance, sophisticated finish, and durable
quality.
* With embedded industrial-grade dual-core processing chip (ARM + DSP),to ensure start-up time less
than 1S.
* One key ask for help calling to the duty room to achieve quick connection, and easy operation.
* One key ask for alarm, This terminal can be used for alarm task trigger equipment.
* Built-in high sensitivity microphone, with wide area for sound collection, and high sound reproduction.
* Built-in 3W full-range monitor speaker, with loud and clear voice.
* Support hands-free calling and broadcast receiving.
* Support local electronic door lock and local alarm indicator ( select 1 from 2 options).
* Support local access to short-circuit signal.
* With DC power supply interface, to connect external 24V adapter.
* Two installation methods: embedded and surface mounted installation.