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Emergency communication device for personal use, includes voice modulator, loudspeakers, support, microprocessor, dual tone multi-frequency module, and radio frequency signal receiver module
Emergency communication device for personal use, includes voice modulator, loudspeakers, support, microprocessor, dual tone multi-frequency module, and radio frequency signal receiver module
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机译:个人应急通信设备,包括语音调制器,扬声器,支架,微处理器,双音多频模块和射频信号接收器模块
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摘要
The device has support, microprocessor associated with a push button, RF signal receiver, a voice modulator, a dual tone multi-frequency (DTMF) call tone generator/receiver module, several LED indicators and a loud speaker. The device is connected to a telephone line through a module adapted to the line assigned to the voice modulator, DTMF module and a telephone line connection.
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