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Amazon.com: DSD TECH SH-B35 RS485 RS232 to Bluetooth 2.0 Adapter Support Android and Windows : Electronics
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Amazon.com: Bluetooth Module UART RS232 Serial Converter HC-05 Wireless Transceiver Module Wireless Serial Port Communication BT Module : Electronics
Amazon.com: HC-05 Bluetooth Wireless RS-232 Master/Slave RF Transceiver Module for Arduino (Pack of 2) by Envistia Mall : Electronics
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Amazon.com: BT578 Wireless Serial Port Bluetooth RS232 Total Station Bluetooth Adapter Electronic Called Bluetooth Module : Electronics
Amazon.com: Renogy Bluetooth Module RJ12 Communication Port Compatible Rover/Wanderer/Adventurer Charge Controllers, BT-1 RS232,Black : Everything Else
Amazon.com: NOYITO TTL to RS232 Module TTL RS232 Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port communicates with RS232 Level Device : Electronics
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