The TT-46 Advance Wiretap Detector is designed to quickly and easily test single and 2-line telephone systems for onpremise series and parallel wiretaps and bugs. In addition, the TT-46 will detect the most common types of hookswitch bypasses and other taps that can pick up room audio when the telephone is hung up.

• Tests all Possible Wire Combinations in a 4-wire cable
• Detects series and parallel taps and bugs
• Detects the most common hookswitch bypasses
• Built-speaker lets you check for room audio on telephone wires
• Detects most capacitively coupled taps
• Built-in Line Driver activates hidden voltage operated microphones