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Electronic Circuits And Secrets Of An Old-Fashioned Spy

Description

Learn to build bugs or take advantage of those already in place; assemble a DFMF decoder or decode phone tones without one; construct a red box for free pay phone calls; crack answering machine passwords; defeat digital and spread-spectrum cordless phones with an FM phone tap; and much more! For academic study only. 

 

Keywords

stuffing diagram readout module tone dialer countersurveillance technicians cordless phone frequencies decoder module cellular coverage area cellular implementation foil pattern decoder chip room bug output latch carrier board cellular frequencies phone lady cellular service provider tank circuit friendly phone phone tap catalog item antenna length baby monitor cell site

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Electronic Circuits And Secrets Of An Old-Fashioned Spy.pdf

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