Cell phone jammer circuit (GSM1900 network)


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// March 20th, 2017 // Electronics

GSM1900 cell phone jammer circuit

A mobile phone jammer circuit usable with GSM1900 and an effective frequency range of 1930 MHz through 1990 MHz.  The GSM1900 network is used in Canada, South America, and the United States (T-Mobile and AT&T).

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