BM20SPKS1NBC-0001AA 蓝牙 Bluetooth v4.1 (BLE) SMART SOC Class II 2Mbps 3.7V 40-Pin Tray
ATBTLC1000-MR110CA 蓝牙 Bluetooth v4.1 (BLE) SMART SOC Class II 1.8V 24-Pin Tray
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