TELEPHONE TAP
NULLIFIER
(TN-80)
FEATURES:
- Made in USA
- FCC Approved
- Sturdy Metal Case
- Fine Tuning Capability
- NOT Powered by the Telephone Line
- Portable - Easily fits inside briefcase
- Easy Installation thru Standard Modular
Jacks
- STOPS Automatic Recorder Activators
- Alerts You to Extension Pick-ups and
Lineman’s Tests
- Works on ANY Telephone or Fax Line
ANYWHERE
- Deactivates Automatic Parallel Line
Transmitters
- Alerts You to Infinity Transmitters and
Line Tampering
- Lets You Make Calls in "Normal"
or "Secure" Mode
- Monitors Exact Line Voltage in On-hook or
Off-hook Condition
- Deactivates or Causes a Substantial
Frequency Shift/Power Reduction of Free Running Series Line Transmitters and
Crystal Controlled Service Line
Transmitters.
- Jams any Listening Devices Which Use the
Telephone Line to Listen to Your Room Conversations, such as Infinity Trans-mitters,
Microphones, Hook Switch Bypasses, Line
Drivers, etc.
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