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EST has devised and marketed the "Line Control 300" for protecting telephone lines.
The LC 300 is the result of new advances in technology.
After your line has been "cleaned" by our countermeasure specialists, it guarantees total confidentiality for two speakers connected directly on the same phone line without the need to change any of the protected line's settings.
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The user can visually monitor what is happening on the line at any moment.
The LC 300, with its microprocessor and extended memory capacity, date-stamps and time-stamps any event occurring on protected devices and lines.
This is a MUST for confidential telephone conversations.
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