User's Manual

BT900-Sx Hardware Integration Guide
Intelligent BTv4.0 Dual Mode Module
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37 CONN-HIG-BT900
PCB. If BT900-SA is not placed in corner but on edge of host PCB, the antenna “Keep Out
Area” is extended (see Note4).
4. BT900 development board has BT900-SA placed on the edge of the PCB board (and not in
corner) for that the Antenna keep out area is extended down to the corner of the
development board, see section PCB Layout on Host PCB for BL900-SA, Figure10. This was
used for module development and antenna performance evaluation.
5. Ensure no exposed copper under module on host PCB.
6. The user may modify the PCB land pattern dimensions based on their experience and / or
process capability.