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Ground plane requirement for Montana ISM antenna
What are the ground plane requirements for the Montana ISM antenna? Is it essential to have a 4-layer board or will 2-layer with GND flood be sufficient?

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Hi Mark,

There are no ground plane requirements as such for an FPC antenna as the ground of the cable effectively radiates. A 2 layer ideal PCBA is fine in principle, however in practice a 4 layer PCBA is usually better as it can guarantee one layer of solid ground which will also help to reduce noise.

Many Thanks

Steve

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