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Bluetooth 4.0 HM-10 Master Slave Module For Arduino R3 2560 Cool

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HM-10 3.3V/5V BLE Bluetooth 4.0 CC2540 CC2541 Serial Wireless Module For Arduino

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HC-05 Bluetooth Bee V2.0 Master and Slave Modul Für Kompatibel Xbee For Arduino

HC-05 Bluetooth Bee V2.0 Master and Slave Module for Compatible Xbee Arduino