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$18.99
Jienk DB15 Male/Female D-SUB Din Rail Mount Interface Module, RS232 Serial To 15Pin Port Terminal Breakout Board
Amazon.com
1
$18.99
Jienk DB15 Male/Female D-SUB Din Rail Mount Interface Module, RS232 Serial To 15Pin Port Terminal Breakout Board
Amazon.com
1
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
245
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
245
$41.97
$56.99
Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
Amazon.com
5
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Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
Amazon.com
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$24.05
$31.31
CP26 Bluetooth Serial Adapter RS232 To Bluetooth Wireless Module Converter RS232 To Change Wired
Aliexpress
23% off
$24.05
$31.31
CP26 Bluetooth Serial Adapter RS232 To Bluetooth Wireless Module Converter RS232 To Change Wired
Aliexpress
$157.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$157.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$5.46
Silicon Labs CP2102 USB To RS232 Serial Converter Adapter PCB Module USB RS232 Serial Adapter
Aliexpress
$5.46
Silicon Labs CP2102 USB To RS232 Serial Converter Adapter PCB Module USB RS232 Serial Adapter
Aliexpress
$337.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$337.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$1.33
RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module
Aliexpress
$1.33
RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module
Aliexpress
$201.00
Siemens 6ES7972-0CA32-0XA0 SIMATIC S7 RS232/RS485 TS Adapter V5
PLCHardware.com
$201.00
Siemens 6ES7972-0CA32-0XA0 SIMATIC S7 RS232/RS485 TS Adapter V5
PLCHardware.com
$395.00
Mobilecollect RS-232 Mobile Module Transmitter MC-MM-V2 Default
GreatGages
$395.00
Mobilecollect RS-232 Mobile Module Transmitter MC-MM-V2 Default
GreatGages
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$36.88
$42.39
Rs232 Serial Ttl Uart To Ethernet Tcpip Convert Adapter Module [M_M_S]
eBay
12% off
$36.88
$42.39
Rs232 Serial Ttl Uart To Ethernet Tcpip Convert Adapter Module [M_M_S]
eBay
$0.27
Serial Port To TTL RS232 To TTL 2 Generation MAX3232 Chip Serial Port Module Converter Module MAX3232
Alibaba B2B
Free shipping
$0.27
Serial Port To TTL RS232 To TTL 2 Generation MAX3232 Chip Serial Port Module Converter Module MAX3232
Alibaba B2B
Free shipping
$138.99
Dual Port Extension Board - Replaces Communication Module IL-NT RS232-485
Fridayparts.com
$138.99
Dual Port Extension Board - Replaces Communication Module IL-NT RS232-485
Fridayparts.com
$0.37
Serial Port Module RS232 To TTL Module With Transmit/Receive Indicator Light 232 To Level Module
Alibaba B2B
Free shipping
$0.37
Serial Port Module RS232 To TTL Module With Transmit/Receive Indicator Light 232 To Level Module
Alibaba B2B
Free shipping
$0.90
Ruised Factory Price Instock Original RS232 To TTL Serial Port Module Superior Quality RS232 SP3232 Serial Port To TTL Module
Alibaba B2B
Free shipping
$0.90
Ruised Factory Price Instock Original RS232 To TTL Serial Port Module Superior Quality RS232 SP3232 Serial Port To TTL Module
Alibaba B2B
Free shipping
$2,020.50
NI 781472-01 RS232 INTERFACE RS232 BOARD ONLY
DigiKey
$2,020.50
NI 781472-01 RS232 INTERFACE RS232 BOARD ONLY
DigiKey
$110.22
Edwards Signaling Rs232 Serial Interface Module 4 Terminal Connections For Supervised/Unsupervised Printers And Connection To Pcs (SA-232)
Lighting Supply
2
$110.22
Edwards Signaling Rs232 Serial Interface Module 4 Terminal Connections For Supervised/Unsupervised Printers And Connection To Pcs (SA-232)
Lighting Supply
2
$475.00
PSM-ME-RS232/RS232-P PHOENIX CONTACT - Controls & Indicators & Conversion Module Supplies
Radwell.com
$475.00
PSM-ME-RS232/RS232-P PHOENIX CONTACT - Controls & Indicators & Conversion Module Supplies
Radwell.com
$284.07
FL COM SERVER RS232 PHOENIX CONTACT - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$284.07
FL COM SERVER RS232 PHOENIX CONTACT - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$27.00
Rs232 To Ethernet Converter Tcp Ip Serial Network Module Support Dns
eBay
Free shipping
$27.00
Rs232 To Ethernet Converter Tcp Ip Serial Network Module Support Dns
eBay
Free shipping
$420.75
NI 778472-01 RS232 INTERFACE USB 2.0
DigiKey
$420.75
NI 778472-01 RS232 INTERFACE USB 2.0
DigiKey
$195.00
RS-232 Interface Module For TLS-350/350Plus
Freedom Electronics
$195.00
RS-232 Interface Module For TLS-350/350Plus
Freedom Electronics
$150.70
Communication Port Conversion Module Usb-Rs232,Usb-Rs485 Smartgen
eBay
$150.70
Communication Port Conversion Module Usb-Rs232,Usb-Rs485 Smartgen
eBay
$46.00
USB-RS232-PCBA FTDI CHIP - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$46.00
USB-RS232-PCBA FTDI CHIP - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$60.99
$91.49
ATEN Serial Adapter - Serial RS-232 - Serial IC485SI
Alloutindia Us
33% off
$60.99
$91.49
ATEN Serial Adapter - Serial RS-232 - Serial IC485SI
Alloutindia Us
$22.90
M5stack Technology Co., Ltd. M130 RS232 MODULE 13.2 WITH DB9 FEMAL
DigiKey
$22.90
M5stack Technology Co., Ltd. M130 RS232 MODULE 13.2 WITH DB9 FEMAL
DigiKey
$349.99
ADVANTECH 4 Port Rs232/Rs422/R485 Module W/Share, ADAM-5091-BE
Zoro.com
$349.99
ADVANTECH 4 Port Rs232/Rs422/R485 Module W/Share, ADAM-5091-BE
Zoro.com
$967.99
SIEMENS SIMATIC S7-1500 cm PTP RS232 BA Communications Module For Serial, 6ES7540-1AD01-0AA0
Zoro.com
$967.99
SIEMENS SIMATIC S7-1500 cm PTP RS232 BA Communications Module For Serial, 6ES7540-1AD01-0AA0
Zoro.com
$107.53
RS232C - Sato PLC Module Automation (New)
Electrical.com
$107.53
RS232C - Sato PLC Module Automation (New)
Electrical.com
$260.00
RS-232 Interface Module For TLS-350/350Plus
Freedom Electronics
$260.00
RS-232 Interface Module For TLS-350/350Plus
Freedom Electronics
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
shopvenial
39% off
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
shopvenial
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
OneVibe Market
39% off
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
OneVibe Market
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
evacontinental.com
39% off
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
evacontinental.com
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
ANFAPROYEC
39% off
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
ANFAPROYEC
$106.50
RS232/RS485 Serial Communication Option
Avanotek
$106.50
RS232/RS485 Serial Communication Option
Avanotek
RS-232 Serial Communication Protocol Explained: DB9 and DB25 Connectors, and DTE/DCE
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Shop rs232 module

Sponsored
About our ads
$18.99
Jienk DB15 Male/Female D-SUB Din Rail Mount Interface Module, RS232 Serial To 15Pin Port Terminal Breakout Board
Amazon.com
1
$18.99
Jienk DB15 Male/Female D-SUB Din Rail Mount Interface Module, RS232 Serial To 15Pin Port Terminal Breakout Board
Amazon.com
1
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
245
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
245
$41.97
$56.99
Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
Amazon.com
5
Free shipping
26% off
$41.97
$56.99
Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
Amazon.com
5
$24.05
$31.31
CP26 Bluetooth Serial Adapter RS232 To Bluetooth Wireless Module Converter RS232 To Change Wired
Aliexpress
23% off
$24.05
$31.31
CP26 Bluetooth Serial Adapter RS232 To Bluetooth Wireless Module Converter RS232 To Change Wired
Aliexpress
$157.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$157.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$5.46
Silicon Labs CP2102 USB To RS232 Serial Converter Adapter PCB Module USB RS232 Serial Adapter
Aliexpress
$5.46
Silicon Labs CP2102 USB To RS232 Serial Converter Adapter PCB Module USB RS232 Serial Adapter
Aliexpress
$337.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$337.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$1.33
RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module
Aliexpress
$1.33
RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module
Aliexpress
$201.00
Siemens 6ES7972-0CA32-0XA0 SIMATIC S7 RS232/RS485 TS Adapter V5
PLCHardware.com
$201.00
Siemens 6ES7972-0CA32-0XA0 SIMATIC S7 RS232/RS485 TS Adapter V5
PLCHardware.com
$395.00
Mobilecollect RS-232 Mobile Module Transmitter MC-MM-V2 Default
GreatGages
$395.00
Mobilecollect RS-232 Mobile Module Transmitter MC-MM-V2 Default
GreatGages
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$36.88
$42.39
Rs232 Serial Ttl Uart To Ethernet Tcpip Convert Adapter Module [M_M_S]
eBay
12% off
$36.88
$42.39
Rs232 Serial Ttl Uart To Ethernet Tcpip Convert Adapter Module [M_M_S]
eBay
$0.27
Serial Port To TTL RS232 To TTL 2 Generation MAX3232 Chip Serial Port Module Converter Module MAX3232
Alibaba B2B
Free shipping
$0.27
Serial Port To TTL RS232 To TTL 2 Generation MAX3232 Chip Serial Port Module Converter Module MAX3232
Alibaba B2B
Free shipping
$138.99
Dual Port Extension Board - Replaces Communication Module IL-NT RS232-485
Fridayparts.com
$138.99
Dual Port Extension Board - Replaces Communication Module IL-NT RS232-485
Fridayparts.com
$0.37
Serial Port Module RS232 To TTL Module With Transmit/Receive Indicator Light 232 To Level Module
Alibaba B2B
Free shipping
$0.37
Serial Port Module RS232 To TTL Module With Transmit/Receive Indicator Light 232 To Level Module
Alibaba B2B
Free shipping
$0.90
Ruised Factory Price Instock Original RS232 To TTL Serial Port Module Superior Quality RS232 SP3232 Serial Port To TTL Module
Alibaba B2B
Free shipping
$0.90
Ruised Factory Price Instock Original RS232 To TTL Serial Port Module Superior Quality RS232 SP3232 Serial Port To TTL Module
Alibaba B2B
Free shipping
$2,020.50
NI 781472-01 RS232 INTERFACE RS232 BOARD ONLY
DigiKey
$2,020.50
NI 781472-01 RS232 INTERFACE RS232 BOARD ONLY
DigiKey
$110.22
Edwards Signaling Rs232 Serial Interface Module 4 Terminal Connections For Supervised/Unsupervised Printers And Connection To Pcs (SA-232)
Lighting Supply
2
$110.22
Edwards Signaling Rs232 Serial Interface Module 4 Terminal Connections For Supervised/Unsupervised Printers And Connection To Pcs (SA-232)
Lighting Supply
2