FSC-BT901 bluetooth-module equivalent, 4.2 dual-mode bluetooth-module.
of the 7th and 15Pin Increase I2S application circuit diagram 1, Added two new pins for program updates. No change in size of the module. 2, Modify module height of 1.7mm Modify Bluetooth Version: Upgrade from BT4.0 to BT4.2 Updated the package dimen.
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