Phone Security


  • CSR-1 Countermeasure Sweep Unit
  • Mini Phone Sentry
  • Portable Voice Changer
  • Secure Phone
  • Talk Link Voice Changer
  • Tap Buster
  • The Scrambler (tm)
  • VOX Buster

  • CSR-1 Countermeasure Sweep Unit

    The "Most Desired Sweep Functions" in One Package

    • RF probe "sniffs your environment for hidden phone, room or body bugs, remote control signals, computer, Fax or Telex transmitters, video transmitters, pulsed tracking transmitters and even wide band frequency hopping or "burst" bugs.
    • VLF probe tests your AC outlets, phone lines or suspicious wires for very low frequency "carrier current" signals.
    • The audio feedback test utilizes the CSR-1 speaker to cause sound regeneration with the microphone of the hidden transmitter. This is positive proof of the presence of a listening device.
    • The CSR-1 is very "user friendly" unlike many units costing hundreds of dollars more.
    • Headphones are included to allow you to listen to transmitters without alerting the eavesdropper.

    Features Include:

    • Total spectrum coverage from 400KHz to over 3GHz with no holes or gaps
    • High RF sensitivity can locate a bug as low as 1 microwatt
    • Status display shows operation conditions
    • Red LED lamp detects Carrier Current (20 - 400 KHz)
    • Illuminated, segmented LED bar graph indicator
    • Adjustable RF Gain Control
    • Powered by 6 AA alkaline batteries (included)
    • Backed by a 1 year written warranty
    • Front panel includes: Relative Signal Bar Graph, Volume control, RF Gain, Headphone Input, RF/VLF Probe Inputs
    • Durable, high-impact carrying case
    • Dimensions: 7 3/4" x 7" x 2"

    CSR-1 Countermeasure Sweep Unit $1795.00

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    Mini Phone Sentry

    The "mini" telephone line tap detector, has been redesigned for a more covert use. The 15 foot cord and compact design, allow it to be discretely placed on your telephone line. It still defeats telephone tapping and telephone taping. Line powered transmitters, line activated tape recording controls and all voltage activated devices will not function. It will warn you of a linemans headset and extension phone eavesdroppers.

    Easy to install, no adjustments are necessary. Simply plug the cord from the "mini" Phone Sentry into your telephone wall jack, then plug your telephone cord into the Phone Sentry. If the green indicator light is lit, your line is safe. If the green light goes out while you're on the line, this is a clear indication of an eavesdropping attempt, or another phone on your line is off hook. At this time, should you decide to continue your conversation just remember, someone is listening and/or recording.

    Approximate dimensions: 1" x 1" x 1/2"

    Mini Phone Sentry $99.00

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    Portable Voice Changer

    The "new" professional telephone changer is portable - and compatible on all telephones. Simply attach the acoustic coupler to your telephones handset, adjust the selector switch and your voice is immediately disguised. This unit uses the latest digital signal processing technology for unsurpassed clarity. There are 14 different programmable voice settings (7-high, 7-low) plus a normal mode, and its built-in microphone offers ultra-low distortion.

    The Portable Voice Changer is housed in a sturdy metal case, and comes in zippered vinyl pouch for portability. Uses one 9 volt battery (not included). Made in USA. Approximate dimensions: 1.12" x 2.75" x 5.37". Weight: 10 ounces.

    Portable Voice Changer $249.00

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    Secure Phone

    The Secure Phone defeats telephone bugging and tapping attempts. Automatic telephone recording devices, line transmitters, or any other voltage-activated device will not function. The Secure Phone has the appearance of a normal telephone its countermeasure circuitry is discreetly hidden inside.

    Simply install the Secure Phone into any modular phone jack. The green LED will light upon picking up the handset, indicating the "line guard" mode is on. In determining whether your phone is clear of any taps or recording devices, to activate, lift the headset and listen for a dial tone. If dial tone is present, your conversation will be secure. If there is no dial tone and the green LED on the Secure Phone is off, there may be some type of listening device or low to medium impedance tap on your line.

    Secure Phone $199.00

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    Talk Link Voice Changer

    The newest voice changer available is easy to operate and simple to install. Disconnect the handset from the base of your telephone now connect the wire from the voice changer to the base of your telephone, and connect the coiled cord from your handset to the voice changer. Insert a 9 volt battery and your voice changer is ready to use.

    There are six different tone settings to choose from (3 pitches are higher 3 pitches lower) to alter your voice. Turn the unit "on" by pressing the button on the voice changer unit. Pick up your handset and talk. You will be able to hear your own altered voice coming from the handset. Now you can set the pitch higher or lower at the push of a button. If you don't want to use the voice changing mode, simply turn the power "off" and your telephone will function normally. This unit will digitally change your voice making it unrecognizable.

    Dimensions: 5 1/4" x 3 1/2" x 1"
    Weight: 6 ounces

    Talk Link Voice Changer $39.00

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    Tap Buster

    You will never have to worry about telephone privacy again! The professional "Tap Buster," helps insure that your conversations will not be overheard by anyone, even extension eavesdroppers. This sophisticated electronic telephone countermeasure device will defeat telephone bugging and tapping attempts.

    The "Tap Buster" defeats...

    • Automatic telephone tape recording devices
    • Line transmitters (bugs placed inside the phone or on the line)
    • Extension line eavesdroppers
    • All voltage activated devices

    The "Tap Buster" device actually defeats what other products only claim to warn you of. With its easy to view LCD voltage meter, you can continually monitor the on and off hook line voltage. By monitoring the line voltage, you can instantly determine eavesdropping attacks. For example, someone listening on an extension phone, linemans headset in use, series transmitters and many other types of eavesdropping attempts.

    • The "Tap Buster" is housed in an attractive, sturdy metal cabinet and is AC powered, never needing batteries!
    • One (1) year limited warranty

    Tap Buster $199.00

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    The Scrambler (tm)

    Get quality sound voice privacy from end to end over direct wire and wireless phones in you car, hotel room, anywhere. Your communications are protected from bugs, tape, lineman handsets, scanners and more by a speech spectrum inversion technique controlled by a code switch. The code is prearranged with other SCRAMBLER(tm) users and resets prior to your two-way, party or conference calls. Operates over international distances. Pivoting acoustic couplers accept virtually all telephone handset styles. Features LED displays for scramble or clear condition, low battery, volume, microphone mute. Frequency response 300Hz-2.75KHz +/- 3db. ABS housing. Requires one 9-volt alkaline battery, not included. Includes a strap attachment. Measures 7 1/4" x 2 1/2" x 2 1/8". Minimum two required.

    The Scrambler (tm) $299.00

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    VOX Buster

    Defeats Voice Activated Tele-Recorders

    The VOX Buster is the only device on the market today that will defeat telephone VOX recorders. Because of the compact size of most VOX recorders, they are sometimes difficult to locate. When the VOX Buster is attached to your telephone line, voice activated telephone tape recorders will run constantly, filling the tape. A continuous tone is fed through your telephone line, eliminating voice activated recordings. With the VOX Buster attached, it is impossible to set up a VOX telephone tape recorder.

    No batteries needed, power adaptor included. Easy to install, simply plug into any of your telephone jacks, protecting all extensions.

    VOX Buster $99.00

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    Catalog last updated on 1/22/2001

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