Does the wifi signal jammer really have no antenna? In fact, wireless mobile phone signal jammers refer to wireless mobile phone signal jammers, which actually have antennas. Antennas are generally divided into two types: external whip antennas and built-in gain antennas.
1. What is an external whip antenna?
External whip antennas refer to mobile phone signal jammers equipped with external antennas. These external antennas are locked on the machine. Machines that can rotate 180° are called whip antennas.
2. What is a built-in gain antenna?
A gain antenna refers to an antenna that is set inside the device. You need to open the machine to see the antenna, and it cannot be rotated, but it can cover 360°. It is called a gain antenna.
Everyone has one concern about the use of cell phone signal jammers: Will there be radiation? Is it harmful to human body?
In fact, as long as it is an electronic product, it will produce radiation to a greater or lesser extent. However, the state stipulates a range for mobile phone radiation. Therefore, the radiation generated by Dazhan Electronics' mobile phone signal jammer is lower than the range stipulated by the state. Moreover, the mobile phone signal jammer is not like a mobile phone and needs to be placed next to the ear every day, so for The damage caused to the human body is very small, so everyone can use it with confidence.