To adapt to the environment is the way we live, in the circle of the circle is also so, the antenna coil must be manually and to adapt to the need to offset the electromagnetic frequency, but they can be printed and become flat, the future can act as a sensor, can be used as a transmitter antenna, in real applications can adapt to different wavelengths, very much like noise canceling headphones. The antenna coil can be said to be to let us sit up and take notice, also let us off the worry. To adapt to the changes in society, nor is it a thing that every coil member can do. But the antenna coil is a bit special in this regard.