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Amazon.com: USB to RS485 Converter Adapter with FTDI Chip 3.3V 5V for Smart Meter,Windows Mac Supported,Black : Electronics
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USB to RS232/422/485 Serial Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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USB RS485 Adapter, Uninsulated [AD485-UI] - $4.99 : Auber Instruments, Inc., Temperature control solutions for home and industry
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