| CPC H01Q 3/40 (2013.01) | 12 Claims |

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1. An antenna device, comprising:
a substrate having a driving circuit, wherein the driving circuit defines a refresh time, a sum of N of the refresh times is 1 second, and N represents a frame rate; and
a plurality of antenna elements arranged in an array, wherein the antenna elements are arranged on the substrate and are electrically connected to the driving circuit, the antenna elements jointly define a beamforming in each of the refresh times, the beamforming defines a signal, and the signal comprises a carrier frequency that is not less than 10 GHz and a characteristic information for communicating with a satellite;
wherein, consecutive M of the beamformings contain two or more kinds of the characteristic information, and M is an integer not greater than 20.
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