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8-Port Serial to Ethernet Converter RS232 RS485 RS422 TCP/IP Device Server Modbus RTU to TCP Gateway
- Model #: ZP0806ZP.2026536
- $185.48 –
- Free Shipping
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PCIe to 8-Port RS232 Serial Expansion Card, DB9 9-Pin COM Adapter with Low Profile Bracket, Industrial Serial Card Supports Windows Linux and SFF Chassis
- Model #: B3EN-S2268
- $57.59 –
- Free Shipping
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USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -10 Feet
- Model #: XMHKC2ZP-731330
- $55.43 –
- Free Shipping
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PCIe to 4-Port RS232 Serial Card 4 x DB9 COM Port Expansion Adapter, AX99100 Chipset, 1-to-4 Industrial Serial Controller for PC / Embedded Systems
- Model #: 666ZP0724ZP.202650
- $42.19 –
- Free Shipping
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4-Port PCIe RS232 Serial Expansion Card, Four DB9 COM Port Adapter for Industrial PC
- Model #: B3EN-S2392
- $57.89 –
- Free Shipping
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MM-PCI16C1058-8S PCI to 8-Port RS232 Serial Adapter Card 926.1Kbps Desktop COM Port with 1 to 8 DB9 Serial Cable Support PCIIRQ Sharing
- Model #: Kepler-8.7-OYS-689
- $55.74 –
- Free Shipping
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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
Limited time offer, ends 08/30
- Model #: C738-WXY-80400014
- $26.89 –
- Free Shipping
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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
Limited time offer, ends 08/30
- Model #: C738-WXY-8050004
- $28.89 –
- Free Shipping
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PCIe to 2-Port RS232 Serial Card 9-Pin COM Port Expansion Adapter, WCH382L Chipset, Parallel Port Converter, PCI-E to DB9 Serial Interface Card for Desktop PC
- Model #: 666ZP0722ZP.202640
- $29.19 –
- Free Shipping
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PCI Multiport Serial Card Serial port RS232 6 COM port 9-pin device PCI card industrial expansion 9865 chipset win10
Limited time offer, ends 08/30
- Model #: 20260720ZP6929C5JS
- $56.01 –
- Free Shipping
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PCIe to 4-Port RS232 Serial Card AX99100, Industrial COM Port Expansion Adapter
Limited time offer, ends 08/30
- Model #: YC7FW0708-113
- $33.97 –
- Free Shipping
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Mini PCIe to 4-Port Industrial RS232 Serial Card, DB9 COM Expansion Adapter Working at -40~+85
- Model #: B3EN-S2394
- $87.89 –
- Free Shipping
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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)
Limited time offer, ends 08/30
- Model #: 20260720ZP7178C5JS
- $92.30 –
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PCIe Dual DB9 RS232 Serial Card, 2-Port COM Port Expansion Adapter for Industrial PC & Desktop
- Model #: B3EN-S2376
- $47.89 –
- Free Shipping
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PCI Eight Serial Port Card RS232 Expansion DB9 Pin Adapter Card COM Communication Filtering Anti-interference and Anti-surge
Limited time offer, ends 08/30
- Model #: 20260720ZP6917C5JS
- $76.73 –
- Free Shipping
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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
Limited time offer, ends 08/30
- Model #: 20260720ZP6999C5JS
- $85.39 –
- Free Shipping
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Vszerda PCIe to Dual RS232 Serial Port Card with DB9 Connectors - 2-Port COM Expansion Card for Industrial PCs, Desktop Computers, and 9-Pin Multi-Serial Adapter
Limited time offer, ends 09/16
- Model #: R98G459
- $38.69 –
- Free Shipping
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BT578 V3 RS232 Wireless Male And Female Master Slave all Total Station Serial Port Compatible Blue*/tooth Adapter(BT578)
- Model #: OYSC5KU.8.18-606
- $133.99 –
- Free Shipping
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PCIe to 2-Port RS232 Serial Expansion Card, MCS9922 Chip DB9 COM Adapter Supports Windows 10
- Model #: B3EN-S2272
- $25.89 –
- Free Shipping
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4-Port PCIe RS232 Serial Expansion Card with 5V/12V Power Output, DB9 COM Adapter for Industrial Control & Legacy Equipment
- Model #: B3EN-S2380
- $47.89 –
- Free Shipping
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RS232 Splitter, DTECH 4 Port Serial Expansion Box 1x4 COM Port Expander with Power Adapter for Sharing PCs and Capture Data
- Brand: G-TECH
- Series: 8541673255
- Part Number: 8541673255
- Specifications: RS232 Splitter, DTECH 4 Port Serial Expansion Box 1x4 COM Port Expander with Power Adapter for Sharing PCs and Capture Data; 8541673255; Guangzhou DTECH Electronics Technology Co.,Ltd; DB9; 8.6 L x 3.2 W x 1.5 H inches; 200 grams; 1 amps; DB9 RS232 devices; Monitor
- Model #: 8541673255
- $87.99 –
- Free Shipping
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Vszerda PCIe to Dual RS232 Serial Port Card with DB9 Connectors - 2-Port COM Expansion Card for Industrial PCs, Desktop Computers, and 9-Pin Multi-Serial Adapter
Limited time offer, ends 09/16
- Model #: G89RF4D9
- $48.99 –
- Free Shipping
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DTech 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data
- Brand: G-TECH
- Series: DT-5047
- Part Number: DT-5047
- Specifications: DTech 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data; DT-5047; Guangzhou DTECH Electronics Technology Co.,Ltd; Serial Adapter; 5.12 L x 2.95 W x 1.61 H inches; 0.58 pounds; 1 amps; Monitor
- Model #: DT-5047
- $39.99 –
- Free Shipping
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5 Pack Serial Port 9 Pin Null Modem Adapter DB9 FemaleFemale RS232
- Model #: JrSDq-B01BZ31HHK
- $24.88 –
- Free Shipping
![USB 16 Port Serial Adapter (RS232) [Black]](https://c1.neweggimages.com/productimage/nb300/C42AD25112910GL487B.jpg "USB 16 Port Serial Adapter (RS232) [Black]")
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RS232 to RS485 Serial Port Data Interface Adapter Converter 1.2KM
- Model #: CLAWB0G3518FST
- $84.99 –
- Free Shipping
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USB 4-Port Serial Adapter/USB 2.0 Quad Port Serial DB-9 RS-232
- Model #: CLAWB004ET8ZAA
- $225.99 –
- Free Shipping
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Chip Isolated USB to T-T-L/RS232/RS485 3 in 1 Serial Port Adapter Industrial-Grade T-T-L RS-232 RS-485 Isolation
- Model #: CLAWB0CS64MWPJ
- $198.99 –
- Free Shipping
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USB to RS485 Serial Port Converter Adapter Cable 6Pin Wire End FT-DI Chip Supports Windows 10 8 7 XP and M-a-c O-S
- Model #: CLAWB0CS5ZYRNL
- $126.99 –
- Free Shipping
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M.2 Key M/B to Dual DB9 RS232 Serial Card, PCIe 2.0 x1 2-Port COM Adapter for Embedded & Terminal Equipment
- Model #: B3EN-S2390
- $55.89 –
- Free Shipping
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WRIARICH PCIe x1 to 4-Port DB9 RS232 Serial COM Expansion Card, AX99100 ASIX Chipset Industrial I/O Adapter for Desktop PC
- Model #: SDGF98SV62
- $39.89 –
- Free Shipping
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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
Limited time offer, ends 08/30
- Model #: ZP0806ZP.20261062
- $47.88 –
- Free Shipping
