1. The signal jammer is aimed at mobile transmitters and has no effect on the human body.
2. The cell phone jammer scans from the low-end frequency of the forward channel to the high-end at a certain speed during the working process, which can cause garbled interference in the received signal of the mobile phone, and the mobile phone cannot detect the normal microwave signal data sent from the base station. Within the range, the mobile phone cannot be connected with the base station, so as to achieve the purpose of disabling the mobile phone. The mobile phone manifests as the phenomenon of searching the network, no signal, no service system, etc.
3. The cell phone signal blocker only blocks cell phone signals without affecting other electronic devices, and is harmless to the human body.
4. The radiation of mobile phones is similar to that of previous radios. Generally, mobile phones have relatively large radiation only when making and receiving calls. In fact, pregnant women should be fine as long as they pay a little attention. The radiation that is relatively large is actually some electrical equipment at home, such as What about induction cooker air conditioners?