Since the anti-jamming performance of CDMA mobile phones is much better than GSM mobile phones, the signal jammers that can prevent CDMA mobile phone networks are smaller than GSM mobile phones, but the difference is not large. If necessary, the number of mobile phone signal jammers can be increased to ensure interference The shielding effect of CDMA mobile phones is very good in some particularly important places.
After activating the signal jammer, why is there a telephone signal indicating that the signal is still displayed? This is a wrong impression. In fact, the phone was unable to communicate this time. When you press the pull button, you will find a signal indicator showing a small amount of signal. "Actually, under the current law, the act of installing a GPS device in a car is not punished. At this time, the role of the GPS signal jammer comes out, and the GPS jammer is placed around your body. If the GPS does not detect the signal, , This action you can protect yourself by preventing access to information.
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