Wireless communication device
A wireless communication device and sub-antenna technology, which is applied to antenna supports/installation devices, antennas, and antenna unit combinations with different polarization directions, etc., can solve the problems of increased information error rate, easy mutual interference, and increase at the antenna receiving end.
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[0011] see figure 1 A preferred embodiment of the present invention provides a wireless communication device 100, which may be a terminal such as a mobile phone or a tablet computer.
[0012] The wireless communication device 100 includes a circuit board 10 , a main antenna 30 , a secondary antenna 50 and a metal piece 70 . The main antenna 30 , the secondary antenna 50 and the metal piece 70 are all disposed on the circuit board 10 . The main antenna 30 and the auxiliary antenna 50 constitute a multiple input and multiple output (Multiple Input Multiple Output, MIMO) antenna architecture, so that the main antenna 30 and the auxiliary antenna 50 can work normally at the same time.
[0013] The circuit board 10 includes a short side 12 and a long side 14 vertically connected to the short side 12 . The short side 12 defines a first notch 122 , and the long side 14 defines a second notch 142 . On the circuit board 10, a signal feed point 16 and a ground point 18 are set adjace...
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