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Plan for a European blue box
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.
Unauthorised Access UK 0636-708-063 10pm-7am 12oo/24oo
________________________________________________________________________
2280hz Blue Box Circuit - from 0943 817010 *** OPEN SOON ***
________________________________________________________________________
Circuit Diagram -
/ Connect to Send
_______________________ ____/ __________________
! ! ! !
! ! ! /! !
_________! ____ ________ __ ! _! / ! Small !
! ______!_____! ____ ! ! ! !__! ! Loudspeaker !
! ! __!_____!_____!__!__!__ ! ! \ ! !
! ! ! E D C B A 9 8 ! ! ! \! !
! ! ! ! ! ! ! !
! ! ! 4047B IC ! ! ! ! 100 Ohm Resistor !
! ! ! ! ! ! ! !
! ! !__1__2__3__4__5__6__7__! ! ! !
! ! ! ! ! ! ! ! ! ! ! __!__ +ve
! ! ! ! ! !__!__!__! ____! ! ___ 9v cell
! ! ! ! ! ______! ! ! -ve
! ! _! _! ! ! __________! !
! ! ! ! ! ! / ! !
! !____! ! ____! ___! ___!/ ! !
! ! ! ! ! !\ ZTX 300 ! !
! 0.01uF! !_! !_! ! \ ___! !
! ! ! ! ! ! ! / !
! ! ! ! !___!/ !
! ! ! ! !\ ZTX 300 !
! ! ! ! \___________________________!
! ! ! ! ! ! !
! 10K ! ! ! ! 80! !
! Ohms ! ! ! ! Ohms !
! ! ! ! !
! ! ! ! !
! 6.2 ! ! ! ! !
! Ohms ! ! ! ! !
! ! ! ! ! !
! !_______! ! !
! ! !
!____________________!_________________________________________!
Components List -
1 4047B IC (about 25p)
2 ZTX 300 transistors (about 14p each)
1 0.01uF ceramic disc capacitor (about 5p)
1 10K resistor (about 2p)
1 100 ohm resistor (about 2p)
1 80 ohm resistor (about 2p)
1 6.2 ohm resistor (about 2p)
1 10x24 veroboard (about 40p)
1 Miniature Loudspeaker (about 90p)
1 Push to connect switch (about 40p)
Total cost 2.20
Extras -
1 blue coloured box (spray this pink to conceal purpose of device)
1 9v battery
Construction -
The device is very simple to construct and can be made small enough
to fit onto a 10x24 veroboard.
Note: ZTX 300 Transistor
/ collector
base !/
!\
\ emitter
How the Device Works -
The three resistors and the capacitor set the frequency.
If the capacitor is 0.1uF then the resistor value can be calculated
in the following way:
R = 23000000
________
frequency
So, the resistor value for 2600hz would be:
R = 23000000 = 8846.15 Ohms (this is no good, however because it
________ must be more than 10K)
2600
The frequency that the 4047B outputs is then amplified by the two
transistors(a darlington pair) before being put through the loudspeaker.
Using the Device -
1) Dial a long-distance unobtainable number.
2) Hold the speaker against the phone microphone.
3) Send the 2280hz tone by holding the switch down on the device.
4) Pulse/Tone(exchange dependent)dial the exchange number.
5) Dial number to connect to.
For more information on this see 'phreak' on 0943 817010 (24 hours)
** OPEN SOON **
NB: DO NOT CONNECT THIS DEVICE INDIRECTLY OR DIRECTLY TO ANY TELEPHONE
NETWORK IN THE UK.
_______________________________________________________________________
Feel free to add your own credits, but don't remove those that are
already there !
_______________________________________________________________________
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