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I just bought one of these SMD antennas and I'm confused how I should use it or where I should put it. It has no datasheet just some pictures from Aliexpress. In this picture it says I should use two 0 ohm resistors and a "NC" shunt?

Can someone please tell me about shunt and what is NC in this picture?

enter image description here

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  • \$\begingroup\$ Those pads are for an attenuator, three resistors in a T arrangement to lower a signal level while maintaining the same impedance, or matching one impedance to another. If not needed you simply short out the series connections while leaving the shunt connection out. \$\endgroup\$
    – GodJihyo
    Commented May 24, 2023 at 20:24

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"NC" = not connected, i.e., don't populate this part.

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