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DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter
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Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server (USR-W610)
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![Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics](https://m.media-amazon.com/images/I/71OBbDUesQL._AC_UF1000,1000_QL80_.jpg "Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics")
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