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Small DIY portable signal jammer

Small DIY portable signal jammer

  • 2022/05/26

Ordinary portable signal jammers generally use power adapters. Portable signal jammers s with better quality use switching power supplies. Batteries can be selected to supply power to the jammer according to the output parameters of the used power adapter or switching power supply.

 However, there are generally no batteries that can match exactly on the market, and batteries generally need to be customized, Or use the voltage stabilizing module to provide a stable power supply for the mobile phone signal jammer. Or connect the battery directly to the inverter, let the inverter provide a stable 200V AC, and then connect the power adapter or switching power supply of the mobile phone signal jammer through the power line. Through the above two methods, the ordinary portable signal jammer can be transformed successfully. However, for well-known reasons, the size of the interference range of the portable signal jammer is determined by the following two factors. First, the transmission power of the RF module of each frequency band of the mobile phone signal jammer. Under the same signal field strength, the greater the transmission power, the greater the shielding range of the jammer. Second, use the signal strength of the site. Generally speaking, the shielding principle of the portable signal jammer is the power suppression of white noise, which means that the effect of which device emits a large power in this place is good. For example, if the signal strength transmitted by the mobile phone signal jammer in this frequency band covers the signal strength transmitted by the base station, it will show that the mobile phone signal in this frequency band will be shielded, otherwise, it will not be shielded. Therefore, while transforming the portable signal jammer, we should also consider whether the portable signal shield can meet the interference requirements of the use site.

"Shengma" portable signal jammer | Nanjing Baikang Mechanical Technology Co., Ltd-ljw

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