What frequency are cell phones
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AntoniaDale May 2018Hello, everyoneI want to set up a cell phone jammer in the classroom, but I don't know which frequency to block
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Perfectjammer
May 2018
Hello, AntonAlthough the common frequency band of cell phone jammer is GSM CDMA 3G 4G LTE, but different countries adopt different frequencies.For example, the frequency used in the United States is as follows:4G LTE 725-770MHz4G 790-862MhzCDMA 850-894MHzGSM 925-960MHz3G 2110-2170MHz4G 2300-2400MHz4G 2620-2690MhzCompared with North America, European countries use different benchmarks, so it's important to determine which country you're in before you know what frequency to use.
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