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Amazon.com: DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter : Electronics
Amazon.com: DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter : Electronics
Amazon.com: DX-CP12 Bluetooth to RS232 Serial Adapter Converter Built in BLE 5.1 Bluetooth Module Compatible with Android/iOS (CP12-Slave) : Electronics
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Amazon.com: DX-CP12 Bluetooth to RS232 Serial Adapter Converter Built in BLE 5.1 Bluetooth Module Compatible with Android/iOS (CP12-Slave) : Electronics
