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| The Tele-Data Guard helps ensure the privacy of your telephone conversations. If the green L.E.D. goes out during a phone conversation, this indicates a drop in line voltage that which could mean that another phone has been picked up on the same line, or that an eavesdropping device has been activated. This voltage drop can also interfere with fax transmissions or credit card transactions. When the L.E.D. goes out, simply press the red button and the Tele-Data Guard will automatically disconnect all other phones/machines on the line. Connects easily to any standard phone line. No batteries or external power source required. |
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