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4-Port RS-232 USB to Serial Adapter Data Control Box - Coolgear
4-port USB 2.0 to 4X RS232 serial cable splitter converter ZE552A(FTDI Chipset+win 10 supported)
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4-Port Industrial USB to RS-232 Serial Adapter Cable
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
4-Port RS-422 / 485 USB to Serial Adapter - Coolgear
FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
4-Port USB to RS232 Adapter FTDI Cable - Coolgear
4 Port Professional RS-232 USB 2.0 to Serial Adapter
4-Port USB to RS-232 Hub - UC2324, ATEN Converters | ATEN Corporate Headquarters
USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
Q Core Medical Sapphire USB to 4-Port RS232 Adapter | Bound Tree
4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
Four-port USB to serial RS232 converter / adapter
USB to 4 PIN Serial RS232 PORT FTDI Chipset Adapter Connector
4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
4 Port Serial RS-232 Hub w/ FTDI Chipset & RX/TX LED Indicators
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FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - DB9M - RS232 Extension - Serial to USB (ICUSB2324) : Electronics
4 Port USB To Serial Adapter with RX/TX Indicators
4-Port USB to RS232 Adapter FTDI Cable - Coolgear
4 Port Professional RS-232 USB 2.0 to Serial Adapter
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