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4-Port PCIe RS232 Serial Expansion Card, Four DB9 COM Port Adapter for Industrial PC
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  • $57.89 
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PCI Multiport Serial Card Serial port RS232 6 COM port 9-pin device PCI card industrial expansion 9865 chipset win10
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  • $55.81 
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Desktop PCIE to RS232 serial port card, 2-port PCIE to 232 serial port expansion card, 9-pin COM port adapter card
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  • $28.79 
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USB2.0 to RS232 RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Converter Adapter Cable FTDI chipset 1.8M (RS232/RS422/RS485)
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  • $92.10 
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PCI Eight Serial Port Card RS232 Expansion DB9 Pin Adapter Card COM Communication Filtering Anti-interference and Anti-surge
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  • $76.53 
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USB3.0 TYPE-C To rs232/485/422 converter serial port com port 9-pin transmission industrial grade PLC control computer
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  • $85.19 
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PCI-E to 8 Port RS232 Serial Adapter Serial DB9 Controller Systembase SB16C1058PCI asm1083 Chip 8s 8 ports RS-232 com to pcie
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  • $163.48 
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5PCS USR-K7 TTL UART to Ethernet Serial Server Module, 10/100Mbps RJ45 Port, Modbus RTU to TCP Converter
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  • $183.18 
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W630 Industrial Serial to WiFi Ethernet Converter RS232 RS485 Dual LAN Port Modbus RTU Gateway
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  • $83.98 
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MINI PCI-E to 2 port RS422/485 industrial serial port card MINI PCIE TO 422 IO-mPCE352A-2S
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  • $163.48 
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RS232 splitter 4 Port DB9 Serial Splitter 1 in 4 out Support Bidirectional Transmission Serial adapter MT-RS104
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  • $85.19 
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USB2.0 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Converter Adapter Cable FTDI chipset 1.8M Magnetic Ring Led
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  • $50.63 
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5 Pack Serial Port 9 Pin Null Modem Adapter DB9 FemaleFemale RS232
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  • $24.88 
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FOR MiniPCIe To Four RS232 Serial Port Expansion Card MiniPCIe To DB9 Pin COM Port Adapter Card 9904
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  • $85.95 
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USB 16 Port Serial Adapter (RS232) [Black]
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  • $755.99 
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UT-2501 serial port 232 to RS232 CANBUS to BUS CAN transparent converter using TVS RS-232 to CANBUS Converter TTL Level
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  • $61.00 
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RS232 to RS485 Serial Port Data Interface Adapter Converter 1.2KM
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  • $84.99 
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10 Pack White DB9 Male RS232 Breakout Board with Housing, Solder-Free D-SUB 9Pin Serial Port to Terminal Block Wiring Adapter Module
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  • $47.88 
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USB 4-Port Serial Adapter/USB 2.0 Quad Port Serial DB-9 RS-232
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  • $225.99 
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PCIe 4-port power supply conversion card with RS232 serial port card, SATA power supply 9-pin conversion card
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  • $41.79 
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BUCIER 5pcs RS232 to TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
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  • $37.89 
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Direct from BUCIER Direct from BUCIER
M.2 to four-port RS232 serial port card COM ports M KEY adapter card DB9-pin expansion card
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  • $42.79 
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Mini PCIe to Serial RS-232 port DB9 Adapter 4 ports RS232 to Mini PCI-e Card chipset converter card
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  • $64.45 
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