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TTelephone Tap Nullifiers $395

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Viking Systems International........

IF YOU ARE...

Concerned about privacy.
Suspicious that your calls are being recorded or that there might be a transmitter on your line.
Suspicious that someone is listening in on your room conversation when the line is on-hook.

The logical answer to DEFEAT these problems is the TAP NULLIFIER.

"Sweeps" conducted by "Experts" are unreliable because after your line has been declared "clean" a listening device can be added at ANY TIME.

FEATURES

Made in the U.S.A. Alerts you to Extension Pickups & Lineman's Tests
FCC Approved Works on ANY Telephone or Fax Line ANYWHERE
Sturdy Metal Case Deactivates Automatic Parallel Line Transmitters
Fine Tuning Capability Alerts You to Infinity Transmitters & Line Tampering
NOT Powered by the Telephone Line Lets You Make Calls in "Normal" or "Secure" Mode
Portable- Easily fits inside Briefcase Monitors Exact Line Voltage in On-hook or Off-hook Condition
Easy Installation through Standard Modular Jacks Deactivates or Causes a Substantial Frequency Shift/Power Redution of Free Running Series Line Transmitters & Crystal Controlled Series Line Transmitters.
STOPS Automatic Recorder Activators (driven by voltage drops) Jams any Listening Devices which use the telephone line to listen to your room conversations, such as Infinity Transmitters, Microphones, Hook Switch Bypasses, Line Drivers, etc.

SPECIFICATIONS

Dimensions:

5.5 x 5.5 x 1.5" (140 x 140 x 38mm)

Net weight:

1.25 lbs (570g)

Power Requirements:

AC-115V, 60Hz or 220VAC, 50Hz Adapter supplied

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