portable cell phone disruptor for sale

Does the wireless cell phone blocking device really have no antenna? It can be understood in traditional understanding. But in fact, the wireless mobile phone signal jammer refers to the wirelessly transmitted mobile phone signal jammer, which is actually equipped with an antenna. Some are external whip antennas, and some are built-in booster antennas.

What does the external whip antenna refer to?

The normal understanding is: a machine equipped with an external antenna, locked to the machine, and capable of rotating 180° is called a whip antenna.

The built-in gain antenna refers to

The antenna is set in the shell. It can be seen only when the machine is turned on. It cannot be rotated and can cover a 360° azimuth. It is called a booster antenna. Looking at the figure below, we can clearly distinguish what is a whip antenna and what is Gain built-in antenna. And what kind of machine is whip antenna, what kind of machine has built-in antenna, and their parameters.

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