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Phone Tele-Data Guard
Help insure the privacy of your telephone conversations with the Tele-Data Guard!
If the green L.E.D. goes out during a phone conversation, it indicates a drop in line voltage 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, hindering normal business operation.
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 (only) phone line.
No batteries or external power source required.
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