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Jammers for CDMA + GSM + 3G + VHF + UHF + 315 MHz

This phone jammer can not only shield ordinary mobile phone signals, but also intercept radios and RF signals

A multifunctional jammer designed for jamming radio signals. In addition to interfering with radio signals, it can also interfere with a variety of mobile phone signals. Such devices are very helpful in preventing cheating in school
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