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Eavesdropping and bugging communication line is illegal, but for many businesses and individuals it is a common practice. Now you can stop them with your "SAFE LINE 100".
Features:
The SL100 system detects at high level of accuracy and changes in the protected line parameters. Digital display will reflect any change in you telephone line. The system will deactivate and disconnect automatically all known wire-tapping devices. The system will create a shift of frequencies in crystal line transmitters. Voice simulation transmission when telephone line is not in use Causes all automatic voice activated equipment to record "noise". Fully automatic operation. Easy to install. Requires no batteries.
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