Description
HUAYAN Selective Talk-back extension system YDG-2FUSED
HUAYAN YDQ Series Selective Talk-back system
| Selective talk-back extension | YDQ-2F |
- For marine security management person for shouting and talk-back;
- The system main unit and the extension, extension and extension can call intercom, call with acousto-optic indication;
- The system main unit can be one to one, one to many as well as the all calls function
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