User's Manual

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On Main board, the recommended footprint is as follows:
The GND pins must be connected to the GND plane as short as possible, with enough vias. Dotted line is the board
outline.
7.4.5 Shielding Mounting
The target is to deliver a BTDB without shielding. All modules on the market have a shielding. It is required when
the chip and sensitive RF parts are exposed to strong perturbations (WIFI, Cellular,..). It is not yet clear if our
products using the BTHS will be exposed to such conditions. Also for full Bluetooth and RF certification of this
board, the shield may be required.
Therefore we have foreseen provision to equip a one-piece surface mount shield. It is preferred to a two pieces
part for manufacturing reasons. The following reference shall be used:
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