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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 07/20
- Model #: R98G459
- $38.69 –
- Free Shipping
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Vszerda 4-Port PCIe to RS232 Serial Port Expansion Card with 5V/12V Power Supply - 9-Pin COM Port Adapter 1-to-4 Multi-Port RS232 Card for Industrial Control, Automation, and Legacy Devices
Limited time offer, ends 07/20
- Model #: 89SRF4D1
- $48.99 –
- 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 07/20
- Model #: G89RF4D9
- $48.99 –
- Free Shipping
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5Pcs MAX3232 MAX232CSE RS232 to TTL Converter Module COM Serial Port Adapter Board
Limited time offer, ends 07/09
- Model #: C472-L5877
- $32.89 –
- 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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SerialGear USB RS-232 Industrial Adapter Isolated and Surge Protected FTDI Chip
- Model #: 9391048840965
- $118.99 –
- $5.00 Shipping
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RS232 to WiFi Adapter for Remote Config/TestingSupporting AP/STA Mode, Telnet Config, 921600 Baud, TypeC PowerRS232 Wireless Extender for PLC/CNC/Cash Register
- Model #: CLAWB0D56R7WSB
- $178.99 –
- 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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8x DB9 9-Pin RS232 Serial Port Male to RJ45 8P8C Network Modular Adapter Ivory
- Model #: F#275384037372
- $53.99 –
- Free Shipping
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waveshare USB to RS232 RS485 Serial Converter Adapter Onboard Original FT232RNL Chip,Supports Mac, Linux, Android, Win11/10/8.1/8/7
- Model #: 401917566687
- $44.99 –
- $5.99 Shipping
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4 Port TTL USB to Serial Adapter, Type C Interface, 3.3V Power Output, High Speed Data Transfer for Embedded Systems and IoT Projects
- Model #: CLAWB0DMWKLZZS
- $144.99 –
- Free Shipping
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10Pcs Rs-232 Rs232 to Rs-485 Rs485 Interface Serial Adapter Converter New
- Model #: CLAWB0FGH5ZFF9
- $149.99 –
- Free Shipping
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2Pack DB9 Serial RS232 Female to Female Slimline Data Transfer Coupler Adapter,Gender Changer
- Model #: AUgGY-B01HMNJ2XI
- $13.66 –
- More options from $13.66 - $19.99
- Free Shipping
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Industrial USB to TTL Converter, 8-Channel Uart Serial Port Adapter, Compatible with Multiple Systems, Dc 5v
- Model #: CLAWB0DTKQRQGB
- $90.99 –
- Free Shipping
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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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RS - 232 RS232 to RS - 485 RS485 Interface Serial Adapter Converter New
- Model #: CLAWB0FZF7ZF9J
- $101.99 –
- 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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ATC-810 High Speed Serial RS232 to USB Adapter
- Model #: 668706894370
- $73.99 –
- $5.99 Shipping
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C2G 08075 DB9 Male to DB9 Female Serial RS232 Null Modem Adapter, Beige
- Color: Multi-Color
- Changer Type: DB9 Male to DB9 Female
- Specifications: Color: Beige Connector 1: DB9 Male Connector 2: DB9 Female
- Parts: 1 year limited
- Model #: 08075
![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 Interface Serial Adapter Converter New Passive Two Way Converter for Master Single-chip Computer
- Model #: CLAWB0G3FZ7B6X
- $108.99 –
- Free Shipping