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- $26.21 –
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Second-Generation Upgraded Version GP2Y1051AU0F PM2.5 Dust Sensor 0 Peripheral Circuit 5V Serial Port
- Model #: VUWPB7P-355
- $29.66 –
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GY-25A High-precision Dual-Axis Azimuth Angle Sensor Module, Model SCA60C, Analog Output Serial Port, for Angle Detection
- Model #: VUWPB7P-389
- $31.07 –
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Sunix 4056P Serial card one-to-four lines breakout cable 4-Port Serial RS-232 Adapter
- Model #: jiudian-YC5KU-1881
- $24.08 –
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Pidwaok USB to M12 8 Pin Cable FT232RL RS232 Serial Cable for Mettler Toledo ICS Scales, 6ft Industrial Shielded Data Cable for Weighing Data Transfer
- Model #: 452465716697
- $76.99 –
- $5.99 Shipping

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DB9 Male to RJ45 Female Serial Adapter, RJ45 to RS232 Converter, 9Pin COM Port to Ethernet RJ45 Port Adapter, RS232 Serial Signal Transfer Adapter for Serial Network Communication Equipment
- Model #: TECH CABIN - TCH2244
- $17.49 –
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30CM RJ45 to DB25 Female Serial Console Adapter Cable, RJ45 Ethernet Port to DB25F Serial Extension Cord for Network Device Console Debug Configuration
- Model #: TECH CABIN - TCH2893
- $20.90 –
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DB9 Male Solderless Breakout Board, RS232 DSUB Serial to 9Pin Terminal Block Adapter for Serial Communication Interface Devices
Limited time offer, ends 09/11
- Model #: C472-L10175
- $18.46 –
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JAENFONG W630 Industrial RS232 / RS485 Serial to Ethernet,Serial to WiFi or WiFi to Ethernet Converter Support Dual Ethernet Ports, Modbus RTU
- Model #: WLC78S.0730.Pallet0596
- $89.51 –
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USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)
- Model #: 69089119057
- $19.99 –
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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 –
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DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
- Model #: C731-1149-LJU06
- $43.99 –
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SYBA PCI-Express 2-Port DB9 Serial (RS-232) Card Model SI-PEX15055
- Type: PCI Express to Serial Port Card
- External Ports: PCI-Express
- Internal Ports: 2 x DB9 Serial (RS-232)
- Data Transfer Rate: up to 115200bps/port
- Model #: SI-PEX15055
- $53.79 –
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SYBA SY-PEX15019 RS-232 Serial 8-Port PCI-Express Card
- Type: PCI Express to Serial Port Card
- External Ports: 8 x Serial Ports
- Data Transfer Rate: Serial Port: Up to 1 Mbps
- Operating Systems Supported: Windows 2000, 2003 Server, XP 32/64-bit, Vista 32/64-bit
- Model #: SY-PEX15019
- $59.19 –
- More options from $59.19 - $84.20
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3M 10FT Black USB to RS232 DB9 Serial Cable PL2303 Chip for Cash Register Scanner CNC Modem Digital Camera
Limited time offer, ends 08/31
- Model #: C24W-X8370
- $28.99 –
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6FT DB9 RS232 to RJ45 Rollover Console Cable, Serial Management Cord Compatible with Cisco 600/800/1600/1700 Series Routers
Limited time offer, ends 08/31
- Model #: C24W-X8373
- $13.59 –
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SYBA PCI to Serial 2-port host controller card Model SD-PCI-2S
- Type: PCI to Serial Port Card
- External Ports: 2x DB9 serial port connectors
- Operating Systems Supported: Windows 98SE/ME/2000/XP/NT4.0, Linux & DOS Operating System
- Weight: 0.4
- Model #: SD-PCI-2S
- $24.48 –
- More options from $19.50 - $24.48
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Vszerda Motherboard DB9 RS232 Com Port Serial Header Connector Cable Bracket
Limited time offer, ends 08/16
- Model #: C745-Lsy715-773
- $24.99 –
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2-Port PCIe Serial Expansion Card with Industrial DB9 RS232 COM Ports, 16C550 UART WCH382 Chip for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, Low Bracket Included
- Brand: HP
- Part Number: 749235272744
- Connectors: 1 x RJ45
- Interface: PCI
- Model #: 617593472331
- $55.99 –
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PUSR Serial to Dual Band WiFi Converter RS232 to WiFi Converter Modbus Gateway Modbus RTU to TCP with MQTT IEEE802.11 a/b/g/n Easy Configuration Serial Device Server USR-DR162
- Model #: DR162 RS232 to WiFi
- $47.99 –
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DB9 Male to RJ45 Female Adapter, RJ45 to RS232 Serial COM Port to Network Port Converter
Limited time offer, ends 09/11
- Model #: C472-L10152
- $14.46 –
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Syba 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SI-ADA15071
- Type: Controller Card
- External Ports: 8 x Serial Ports
- Operating Systems Supported: Windows 10 or Higher Ubuntu 19.04 or Higher
- Package Contents: 8 Port Serial DB9 M.2 B+M Key Module Driver CD x1 Manual x1
- Model #: SI-ADA15071
- $59.99
- $55.19 –
- Save: $4.80 (8%)
- More options from $55.19 - $81.47
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SYBA 2 Serial 1 Parallel PCI-e Controller Card with Low Profile Brackets Model SI-PEX50054
- Type: PCI Express to Parallel / Serial Port
- External Ports: 2 x Serial Ports + 1 x Parallel Port
- Weight: 1
- Package Contents: PCI-e Multi I/O Card Full Size Bracket for 2 Serial Ports Full Size Bracket for 1 Parallel Port Low Profile Bracket for 1 COM Port Low Profile Bracket for 1 Parallel Port User Manual Driver Mini CD
- Model #: SI-PEX50054
- $20.99
- $19.19 –
- Save: $1.80 (8%)
- More options from $19.18 - $24.02
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DTech 10FT USB to RS232 DB9 Female Serial Cable, Authentic FTDI Chip USB2.0 to COM Port Adapter Compatible with Windows11/10/8/7, Mac & Linux
- Model #: B3EN-S2794
- $34.89 –
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DB25 Male Solderless Connector Breakout Board RS232 D-SUB 25 Pin Serial Adapter Terminal Block with Case (Male)
Limited time offer, ends 08/16
- Model #: A9Y1-1015-34
- $29.07 –
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For MOXA 2 Serial Port Card RS422/485 Multi Serial Port Card CP-132UL-I
- Model #: I1BSED-47
- $122.63 –
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- $103.86 –
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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 #: 6908900187
- $55.74 –
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StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache - ASIX AX99100 - Low Profile Bracket - Replacement for PEX4S952LP (PEX4S953LP)
- Type: PCI Express to Serial Port Card
- External Ports: 4 - DB-9 (9 pin, D-Sub) Male
- Internal Ports: 1 - LP4 (4 pin; Large Drive Power) Male Input
- Operating Systems Supported: Windows 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
- Model #: PEX4S953LP
- $109.99
- $103.99 –
- Save: $6.00 (5%)
- More options from $103.99 - $121.68
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