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PO Box 716, Amherst, NH 03031-0716

Telephone Devices
Updated 01/22/09


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Projects that can be used for telephone monitoring in the
U.S.A. or CANADA without all party awareness require our
"BEEPER ALERT" device.

Telephone Voice Disguisers
Battery operated devices go anywhere!

telephone voice disguiser 8 different voice settings.
Small size 5 x 3 x 1/2”.
Includes all hardware.

TELVOICE2 ........$49.95

telephone voice disguiser Hand held unit works by placing
over mouth piece.

TELVOICE1 ......$34.95


Infinity + Transmitter
Turn Your Telephone Into An Ultra Powerful Device!

Room Monitor/Line Grabber/Controller

telcon40 - 8148 Bytes

USE ANY TELEPHONE IN THE WORLD TO:
  • Monitor Your Premises
    Avoid ambushes and break-ins!!

  • Controls Up To 16 Electrical Devices*
    Remote control your home!!

  • Access On-Going Calls**
    Longwinded teenagers!!

  • Redirect Toll Calls From Pay Phones**
    Through your home phone!!

All New - The Ultimate in Home/Office Security & Safety!
Simple to use! Call your home or office, push a secret tone on your telephone keypad to access: On premises sound and voices, Ongoing phone conversations w/break-in ability . Control* up to 16 external electrical functions, lights, TV, alarms, coffee pots, heater, etc.. 4" X 4" electronic module.

Built In Beeping Alert For Telephone Use

*Requires optional controller and modules.
**Requires a second telephone line.

Click Here for Additional Information

Available as Kit Only

TELCON4 - Plans/Data..........................................................................$10.00
TELCON4K - Kit and Plans, inc PC Board.......................................$129.95


Snooper Phone Project
Monitor Any Premise Using The Telephone Lines!
High Speed Operation Connects Before Phone Can Ring!

snp20.jpg - 3.64 K Electronic module connects to phone lines. Super sensitive microphone allows you to monitor such premises as vacation homes offices, warehouses. Use car phone for alerting of home intruder ambushes or break ins. Simple to use with adjustable pickup and accessible timer controls. Dial target phone and just listen in. Available as easy to build kit or lab assembled ready to use.

SNP4 - Plans.......................................................................$10.00
SNP4K - Kit/Plans..............................................................$49.95
SNP40 - Assembled & Tested........................................$99.95
BEEP1K - Beeper Alert Kit................................................$19.95


Telephone Amplifier

Attaches to any phone, greatly enhances hearing, adjustable volume. Great gift idea. Uses 1 "AAA" Battery. Small size (2 X 2.25 X 1.25)

TELEPAL - Ready To Use..........$7.95


Micro Telephone Recorder
Voice Activated
Easily Concealable
Keep a Portable Record of Every Conversation

The Micro telephone Recorder captures both sides of your telephone conversation with clarity. A built in telephone interface eliminates cumbersome external boxes. Voice activation starts recording when the phone is in use and stops when the call is completed, also eliminating silent periods. Two-speed circuitry produces 3 hours of recording time per 90-minute standard micro-cassette. It is the user’s responsibility to ensure that conversations are only recorded in accordance with the law of the jurisdiction where the equipment is utilized.
  • Power:......3V DC
  • Battery:.........2 x AA cell
  • Weight:.............6.5 oz
  • Dimensions:.......5" x 2 1/4" x 1"
  • Tape Speeds.....1.2 cm/sec., 2.4 cm/sec.
  • Telephone Connection:.........USOC RJ-11C
TELREC05 - Ready to Use........................$49.95

Extended Play
Telephone Recording System

Tap30x.jpg - 5.57 K Ready To Use - Automatically controls and records on our X4 extended play recorder, taping both sides of a telephone conversation. Intended for order entry verification. Only records with phone "OFF HOOK"

TAT3 - Plans & Data.....................................................$5.00
TAP30X - Ready to Use System...............................$99.95
BEEP10 - Beeper Alert, Ready to Use......................$29.95

CAUTION! Check your state laws if using for other than order entry verification or home security use.

"Drop- In"
1mi Telephone Transmitter Project

Easily connect to telephone line. Transmits both sides of conversation to a nearby FM broadcast radio.
dropin40.jpg - 3.31 K
  • Tuneable From 80 to 130 MHZ
  • Never Needs Batteries
  • Series Connected
  • Small Size 1"x 1"
  • DROPIN - Plans - .......$7.00 DROPINK - Kit/Plans........$29.95
    BEEP1K - Beeper Alert Kit.........................................................................................................$19.95

    Deluxe Version
    3mi Telephone Transmitter Project

    Automatically transmits both sides of a telephone conversation to a nearby FM radio with crystal clear clarity! Only transmits when phone is being used.
    vwpm7.jpg - 4.06 K
    • Parallel Connected - Does Not Require Disconnection of Phone
    • Battery Operated 6 to 18 Volts
    • Does Not Effect Telephone Performance
    • Works On All Extension Lines
    • Small Size .5"x 1.5"
    VWPM7 - Plans...$7.00 VWPM7K - Kit/Plans....$39.95
    BEEP1K - Beeper Alert Kit.....................................................$19.95

    Listen In Phone Attachment Project

    Simple electronic circuit lets you pick up any extension phone without the users hearing a click. Great for checking on unauthorized phone use.

    CAUTION: NOT FOR ILLEGAL USE!!

    TP4 - Plans...$5.00 TP4K - Kit/Plans................$14.95
    BEEP1K - Beeper Alert Kit..................................................$19.95


    Phone Activated Relay

    Useful circuit activates when telephone is used allowing control of other devices. Many uses from turning "on" or "off" lights, alarms, sprinklers, radios, recorders, video and voice transmitters etc..

    TEL3 - Plans...$5.00


    Beeper Alert System

    Use of telephone monitoring devices without either parties knowledge requires our BEEPING ALERTER. This board level device requires 9 to 12VDC and is connected to phone system via a splitter jack. Circuit allows adjustment of "beep tone" duration and repetition rate. It automatically produces alerting "beeps" when phone is used.

    BEEP1K - Kit and Plans....................................$19.95
    BEEP10 - Ready To Use - Board Level..........$29.95


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    Orders: 603-673-6493 | Fax: 603-672-5406 | Inquiries: Email Contact

    Please direct inquiries and technical questions/assistance through email; you should get a response within 1 business day.
    But before you do this, read the item description thoroughly. Chances are good that you'll find the answers there.


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    PO Box 716, Amherst, NH 03031-0716