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Bug Detectors - Advanced Phone Wire Tap Detector
The Wire Tap Detector is the only test set that lets you quickly and easily check both single and two line phone systems for series and parallel taps. This advanced unit tests every possible combination of wires in a four wire cable. It also lets you detect some of the more sophisticated taps that use split pairs.
While not much can be done about down-line taps, the TT-46 will help you check your phone lines for on-premises series and parallel bugs and wiretaps. You can also check your telephone for the most common types of hookswitch bypasses. (A hookswitch bypass is a modification to the telephone instrument that causes the transmitter or receiver in the telephone handset to pick up room sounds and pass them down the phone line even with the phone hung up. This effectively turns the telephone into a room monitor.)
Types of devices detected by the TT-46:
- Series Devices with a resistance of 10 OHMS or more (Most series have over 100 ohms)
- Parallel devices with resistance of 65 Megohms or LESS (Most are under 30 Megohms)
- Can also detect certain capacitively coupled taps.
Also Included:
- A line monitor to allowing checking for presence of room audio when phones are hung up.
The presence of room audio on the phone line when the telephones are not being used is a sure sign of bugging. A line driver is part of the monitor function. The line driver is used to turn on (activate) any voltage operated microphones, such as FET mics, that may be connected to a pair of wires.
Specifications:
Weight: 9 oz
Size: 7" x 4.6" x 2.25" - With cover closed
Power: One 9 Volt Battery (included)
Accessories: Cords, plugs, adapters and manual
Please note that neither the TT-46 or TT-07 are "magic boxes" that are connected permanently to a working phone line. They are both test sets that let you check your on-premises wiring and telephones for eavesdropping devices or taps. In order to do this, you must be able to disconnect your inside wiring from the telephone line coming into your home or business.
This is done at the interface between the telephone line and inside wiring; usually just by unplugging a cable at the interface box mounted on the side of the building. There is nothing difficult about this, but, of course, you must have access to this interface box. | 
