Telephone Line Monitor
COMSEC III Wire Tap Detector Telephone Line Analyzer
The COMSEC III telephone line analyzer is the only patented technology that works with the telephone company exchange. Once the COMSEC III is attached to your telephone line it continuously detects the slighest signal from your phone to the telephone company.
The COMSEC III scans the line before, during and after every call, when the electrical signature pattern changes the LED will flash. Notifying you of a change in your phone condition.

Continuously protects your telephones, computer, and fax telecommunications. Installs in seconds with standard modular connections.
Detect wiretaps that previously had been undetectable. The COMSEC is the only security device that can detect legal as well as illegal wiretaps any where on the local telephone line including at the Telephone Company's Central Exchange.