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Small AM transmitter for bugging
NOTICE: TO ALL CONCERNED Certain text files and messages contained on this site deal with activities and devices which would be in violation of various Federal, State, and local laws if actually carried out or constructed. The webmasters of this site do not advocate the breaking of any law. Our text files and message bases are for informational purposes only. We recommend that you contact your local law enforcement officials before undertaking any project based upon any information obtained from this or any other web site. We do not guarantee that any of the information contained on this system is correct, workable, or factual. We are not responsible for, nor do we assume any liability for, damages resulting from the use of any information on this site.
<%>^<%>^<%>^<%>^<%>^<%>^<%>^<%>^<%>^<%>
<%> <%>
<%> Making the <%>
<%> <%>
<%> Lunch Box <%>
<%> ===== === <%>
<%> <%>
<%> Written, Typed and Created by: <%>
<%> Dr. D-Code <%>
<%> <%>
<%>^<%>^<%>^<%>^<%>^<%>^<%>^<%>^<%>^<%>
Introduction
============
The Lunch Box is a VERY simple transmitter which can be handy for all sorts of
things. It is quite small and can easily be put in a number of places. I have
successfully used it for tapping fones, getting inside info, blackmail and
other such things. The possibilities are endless. I will also include the
plans for an equally small receiver for your newly made toy. Use it for just
about anything. You can also make the transmitter and receiver together in one
box and use it as a walkie talkie.
Materials you will need
=======================
(1) 9 volt battery with battery clip
(1) 25-mfd, 15 volt electrolytic capacitor
(2) .0047 mfd capacitors
(1) .022 mfd capacitor
(1) 51 pf capacitor
(1) 365 pf variable capacitor
(1) Transistor antenna coil
(1) 2N366 transistor
(1) 2N464 transistor
(1) 100k resistor
(1) 5.6k resistor
(1) 10k resistor
(1) 2meg potentiometer with SPST switch
Some good wire, solder, soldering iron,
board to put it on, box (optional)
Schematic for The Lunch Box
===========================
[This may get a tad confusing but just
print it out and pay attention.]
[!]
!
51 pf
! BASE
---+---- ------------COLLECTOR
! )( 2N366
+----+------/\/\/----GND
365 pf () emitter !
! )( ! !
+-------- ---+---- ! !
! ! ! ! !
GND / .022mfd ! !
10k\ ! ! !
/ GND
+------------------------emitter
! ! !
2N464
/ .0047 !
base collector
2meg \----+ ! !
+--------+ !
/ ! GND ! !
!
GND ! !
!
+-------------+.0047+--------------------+ !
!
!
+--25mfd-----+
-----------------------------------------+ !
!
microphone
+--/\/\/-----+
---------------------------------------------+
100k !
!
GND---->/<---------------------!+!+!+---------------+
switch Battery
from 2meg pot.
Notes about the schematic
=========================
1. GND means ground
2. The GND near the switch and the GND by the 2meg potentiometer should be
connected
3. Where you see: )(
()
)( it is the transistor antenna coil with 15 turns of
regular hook-up wire around it.
4. The middle of the loop on the left side (the left of "()") you should run
a wire down to the "+" which has nothing attached to it. There is a .0047
capacitor on the correct piece of wire.
5. For the microphone use a magnetic earphone (1k to 2k).
6. Where you see "[!]" is the antenna. Use about 8 feet of wire to broadcast
approx 300ft. Part 15 of the FCC rules and regulation says you can't broadcast
over 300 feet without a license. (Hahaha). Use more wire for an antenna for
longer distances. (Attach it to the black wire on the fone line for about a
250 foot antenna!)
Operation of the Lunch Box
==========================
This transmitter will send the signals over the AM radio band. You use the
variable capacitor to adjust what freq. you want to use. Find a good unused
freq. down at the lower end of the scale and you're set. Use the 2 meg pot.
to adjust gain. Just screw with it until you get what sounds good. The switch
on the 2meg is for turning the Lunch Box on and off. When everything is
adjusted, turn on an AM radio adjust it to where you think the signal is. Have
a friend say some shit thru the Box and tune in to it. That's all there is to
it. The plans for a simple receiver are shown below:
The Lunch Box receiver
======================
(1) 9 volt battery with battery clip
(1) 365 pf variable capacitor
(1) 51 pf capacitor
(1) 1N38B diode
(1) Transistor antenna coil
(1) 2N366 transistor
(1) SPST toggle switch
(1) 1k to 2k magnetic earphone
[Schematic for receiver
======================
[!]
!
51 pf
!
+----+----+
! !
) 365 pf
(----+ !
) ! !
+---------+---GND
!
+---*>!----base collector-----
[ diode 2N366 earphone
emitter +-----
! !
GND !
-
+
- battery
+
GND------>/<------------+
switch
Closeing statement
==================
This two devices can be built for under total of $10.00. Not too bad. Using
[these devices in illegal ways is your option. If you get caught, I accept NO
responsibility for your actions. This can be alot of fun if used correctly.
Hook it up to the red wire (I think) on the fone line and it will send the
conversation over the air waves. If you have any problems or are confused,
leave me mail on:Hi-Times=702/832/7469 Warez House=702/827/9273
_______________________________________
Sysops of other systems may use the
file as long as none of it is altered.
_______________________________________
This has been a High Mountain Hackers
Production- © 1985 by HMH Industries
_______________________________________
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