BLE Module PCB Layout

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cross mob
Anonymous
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We are developing a product with the CYBLE-214009-00 EZ-BLE PSoC Module. It is clear that there shouuld be a keepout area around the antenna, but is it allowed to place tracks, vias and planes under the part between the pins?
To be honest I am a bit confused because the CYBLE-214009-EVAL EZ-BLE PSoC Evaluation Board has quite a strange layout without Ground-plane in the vicinity of the module and no traces under the module.

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