Cell Phone Charger Block Ac To Usb
For the uplink and downlink channels of the mobile phone system, techniques such as frequency doubling, frequency division, and frequency hopping filtering are used to analyze the required shielding frequency; the spherical shielding space is customized according to the size of the portable Cell Phone Charger Block Ac To Usb power, and the shielding magnetic field is automatically formed within the specified range. Invalidate the mobile phones (including PHS-“PHS GSM-China Unicom, China Mobile, CDMA-China Telecom) in the space. When the cell phone jammer is in working state, the signal receiving and sending functions of the mobile phone can be turned off. The mobile phone is within the specified range Inside, can not dial out and dial in, so as to achieve the purpose of forced prohibition. Wave, and complete the transmission of data and sound with a certain baud rate and modulation mode. The speed in the working process, this scanning speed will cause the mobile phone to receive There is garbled interference in the message signal, and the mobile phone cannot detect the data om base station sent normally, so that the mobile phone cannot establish a connection with the base station.
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