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$7.96
DTECH DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
Amazon.com
110
$7.96
DTECH DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
Amazon.com
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
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$7.89
Hiletgo 5Pcs RS232 To TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
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$7.89
Hiletgo 5Pcs RS232 To TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
Amazon.com
$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
$118.98
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (5)
Amazon.com
206
Free shipping
$118.98
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (5)
Amazon.com
$465.59
Portserver Ts 4PORT RS-232 Serial To Ethernet Device Server
Amazon.com
5
Free shipping
$465.59
Portserver Ts 4PORT RS-232 Serial To Ethernet Device Server
Amazon.com
$74.00
Allen-Bradley 1734-232ASC Point I/O RS-232 ASCII Interface
PLCHardware.com
$74.00
Allen-Bradley 1734-232ASC Point I/O RS-232 ASCII Interface
PLCHardware.com
$29.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial DB9
Amazon.com
55
$29.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial DB9
Amazon.com
$374.49
1315750000 Weidmuller U-Remote I/O Module, IP20, 1-Channel, RS232/RS485/RS422 Communication, PUSH IN Connection
Onlinecomponents.com
$374.49
1315750000 Weidmuller U-Remote I/O Module, IP20, 1-Channel, RS232/RS485/RS422 Communication, PUSH IN Connection
Onlinecomponents.com
$290.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$290.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$8.00
Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
$8.00
Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
$144.00
Allen-Bradley 1785-KE PLC-5 DH+/RS-232-C Communication Interface
PLCHardware.com
$144.00
Allen-Bradley 1785-KE PLC-5 DH+/RS-232-C Communication Interface
PLCHardware.com
$29.77
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (1)
Amazon.com
$29.77
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (1)
Amazon.com
$766.00
Allen-Bradley 22-SCM-232 Powerflex DSI To RS-232 Converter Ser A
PLCHardware.com
$766.00
Allen-Bradley 22-SCM-232 Powerflex DSI To RS-232 Converter Ser A
PLCHardware.com
$150.26
Viagasafamido 2Pcs Wireless Transceiver Module, RF Transceiver Module, RS232/485/422-LORA DC12-36V Remote Transmission Radio Transceiver Module
Amazon.com
Free shipping
$150.26
Viagasafamido 2Pcs Wireless Transceiver Module, RF Transceiver Module, RS232/485/422-LORA DC12-36V Remote Transmission Radio Transceiver Module
Amazon.com
$5.25
MDFLY RS232 Serial Port To TTL Converter Module LED DB9 Breakout TX RX CTS RTS
Amazon.com
$5.25
MDFLY RS232 Serial Port To TTL Converter Module LED DB9 Breakout TX RX CTS RTS
Amazon.com
$6.99
HJTOOK RS232 DB9 Male Serial Port To TTL Converter MAX3232 Root Module Connector MCU Programme Mobile Root Vehicle Examine And Repair Converter
Amazon.com
1
$6.99
HJTOOK RS232 DB9 Male Serial Port To TTL Converter MAX3232 Root Module Connector MCU Programme Mobile Root Vehicle Examine And Repair Converter
Amazon.com
$732.08
1180435L1 Adtran Total Access 1500 Quad RS-232 Module 4 X RS-232 Serial Expansion Module
etechbuy.com
Free shipping
$732.08
1180435L1 Adtran Total Access 1500 Quad RS-232 Module 4 X RS-232 Serial Expansion Module
etechbuy.com
$32.65
Coolwell Industrial Serial RS232 To RJ45 Ethernet Server Module With POE Function TCP/IP To Serial Rail-Mount Support
Amazon.com
Free shipping
$32.65
Coolwell Industrial Serial RS232 To RJ45 Ethernet Server Module With POE Function TCP/IP To Serial Rail-Mount Support
Amazon.com
$24.00
YAKZALAX Low Cost Serial To Etherent Device Servers Module RS232 To TCP/IP Converter Modbus Gateway Support TCP Client/TCP Server/UDP/HTTP USR-TCP232-
Amazon.com
$24.00
YAKZALAX Low Cost Serial To Etherent Device Servers Module RS232 To TCP/IP Converter Modbus Gateway Support TCP Client/TCP Server/UDP/HTTP USR-TCP232-
Amazon.com
$12.06
Hibctr 10 Pieces RS232 To TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
Amazon.com
$12.06
Hibctr 10 Pieces RS232 To TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
Amazon.com
$16.99
CH340 Mini Serial Port Module Of PL2303, CH340E RS232 To TTL Module Upgrade USB To Serial Port In Nine Brush Small Plates New For Arrival 2025 High
Amazon.com
$16.99
CH340 Mini Serial Port Module Of PL2303, CH340E RS232 To TTL Module Upgrade USB To Serial Port In Nine Brush Small Plates New For Arrival 2025 High
Amazon.com
$33.99
Waveshare Industrial Serial Server, RS232/485/422 To RJ45 Ethernet Module, TCP/IP To Serial, Small
Amazon.com
2
$33.99
Waveshare Industrial Serial Server, RS232/485/422 To RJ45 Ethernet Module, TCP/IP To Serial, Small
Amazon.com
$75.00
Moxa | USB To Serial Adapter,1 Port,RS-232
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18
Free shipping
$75.00
Moxa | USB To Serial Adapter,1 Port,RS-232
Amazon.com
$12.45
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
Free shipping
$12.45
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$299.00
Siemens 6SE6400-1PC00-0AA0 MICROMASTER 4 RS-232 Adapter Module
PLCHardware.com
$299.00
Siemens 6SE6400-1PC00-0AA0 MICROMASTER 4 RS-232 Adapter Module
PLCHardware.com
$735.17
Phoenix Contact 2313452 | MODULE, COMM, SERIAL, ETHERNET, RS232, RS422, RS485, TCP/UDP/PPP, DIN, CDROM INC | Signal Conditioning & Signal Converters |
RS
$735.17
Phoenix Contact 2313452 | MODULE, COMM, SERIAL, ETHERNET, RS232, RS422, RS485, TCP/UDP/PPP, DIN, CDROM INC | Signal Conditioning & Signal Converters |
RS
$975.00
Siemens 6ES75401AD000AA0 | PLC EXPANSION MODULES, COMMUNICATION, RS232 BA, D-SUB, S7-1500 SERIES | PLC Expansion Modules
RS
$975.00
Siemens 6ES75401AD000AA0 | PLC EXPANSION MODULES, COMMUNICATION, RS232 BA, D-SUB, S7-1500 SERIES | PLC Expansion Modules
RS
$453.19
FL COM SERVER RS232 - Phoenix Contact PLC Module Automation (New)
Electrical.com
$453.19
FL COM SERVER RS232 - Phoenix Contact PLC Module Automation (New)
Electrical.com
$1,652.86
IRM-NIM-RS232 Cisco IR Series RS232 Serial Network Interface Module
etechbuy.com
Free shipping
$1,652.86
IRM-NIM-RS232 Cisco IR Series RS232 Serial Network Interface Module
etechbuy.com
$99.00
Allen-Bradley 1747-KE SLC-5 DH-485/RS-232C Interface Module, C
PLCHardware.com
$99.00
Allen-Bradley 1747-KE SLC-5 DH-485/RS-232C Interface Module, C
PLCHardware.com
$8.95
RS232 Breakout Board, DB9 Serial Port Adapter, 9-Pin Male/Female Connectors
Amazon.com
$8.95
RS232 Breakout Board, DB9 Serial Port Adapter, 9-Pin Male/Female Connectors
Amazon.com
$2,520.00
Allen Bradley 1770-KFDG Devicenet RS232 Interface Module Mrosupply
MRO Supply MC
Free shipping
$2,520.00
Allen Bradley 1770-KFDG Devicenet RS232 Interface Module Mrosupply
MRO Supply MC
$146.00
Allen-Bradley 2080-SERIALISOL Micro 800 RS232/485 Serial Port, A
PLCHardware.com
$146.00
Allen-Bradley 2080-SERIALISOL Micro 800 RS232/485 Serial Port, A
PLCHardware.com
$46.99
HF-2211 Serial To Ethernet Converter Device Server RS232 RS485 RS422 To Wifi Network Module With Wide 5-36VDC Input
Amazon.com
Free shipping
$46.99
HF-2211 Serial To Ethernet Converter Device Server RS232 RS485 RS422 To Wifi Network Module With Wide 5-36VDC Input
Amazon.com
$42.00
Communication Module: for ProSense DPM4 series panel meters (PN# DPM-RS232)
Automation Direct
$42.00
Communication Module: for ProSense DPM4 series panel meters (PN# DPM-RS232)
Automation Direct
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Shop rs232 module

Sponsored
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$7.96
DTECH DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
Amazon.com
110
$7.96
DTECH DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
Amazon.com
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
$7.89
Hiletgo 5Pcs RS232 To TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
Amazon.com
$7.89
Hiletgo 5Pcs RS232 To TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
Amazon.com
$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
$118.98
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (5)
Amazon.com
206
Free shipping
$118.98
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (5)
Amazon.com
$465.59
Portserver Ts 4PORT RS-232 Serial To Ethernet Device Server
Amazon.com
5
Free shipping
$465.59
Portserver Ts 4PORT RS-232 Serial To Ethernet Device Server
Amazon.com
$74.00
Allen-Bradley 1734-232ASC Point I/O RS-232 ASCII Interface
PLCHardware.com
$74.00
Allen-Bradley 1734-232ASC Point I/O RS-232 ASCII Interface
PLCHardware.com
$29.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial DB9
Amazon.com
55
$29.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial DB9
Amazon.com
$374.49
1315750000 Weidmuller U-Remote I/O Module, IP20, 1-Channel, RS232/RS485/RS422 Communication, PUSH IN Connection
Onlinecomponents.com
$374.49
1315750000 Weidmuller U-Remote I/O Module, IP20, 1-Channel, RS232/RS485/RS422 Communication, PUSH IN Connection
Onlinecomponents.com
$290.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$290.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$8.00
Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
$8.00
Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
$144.00
Allen-Bradley 1785-KE PLC-5 DH+/RS-232-C Communication Interface
PLCHardware.com
$144.00
Allen-Bradley 1785-KE PLC-5 DH+/RS-232-C Communication Interface
PLCHardware.com
$29.77
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (1)
Amazon.com
$29.77
PUSR USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS (1)
Amazon.com
$766.00
Allen-Bradley 22-SCM-232 Powerflex DSI To RS-232 Converter Ser A
PLCHardware.com
$766.00
Allen-Bradley 22-SCM-232 Powerflex DSI To RS-232 Converter Ser A
PLCHardware.com
$150.26
Viagasafamido 2Pcs Wireless Transceiver Module, RF Transceiver Module, RS232/485/422-LORA DC12-36V Remote Transmission Radio Transceiver Module
Amazon.com
Free shipping
$150.26
Viagasafamido 2Pcs Wireless Transceiver Module, RF Transceiver Module, RS232/485/422-LORA DC12-36V Remote Transmission Radio Transceiver Module
Amazon.com
$5.25
MDFLY RS232 Serial Port To TTL Converter Module LED DB9 Breakout TX RX CTS RTS
Amazon.com
$5.25
MDFLY RS232 Serial Port To TTL Converter Module LED DB9 Breakout TX RX CTS RTS
Amazon.com
$6.99
HJTOOK RS232 DB9 Male Serial Port To TTL Converter MAX3232 Root Module Connector MCU Programme Mobile Root Vehicle Examine And Repair Converter
Amazon.com
1
$6.99
HJTOOK RS232 DB9 Male Serial Port To TTL Converter MAX3232 Root Module Connector MCU Programme Mobile Root Vehicle Examine And Repair Converter
Amazon.com
$732.08
1180435L1 Adtran Total Access 1500 Quad RS-232 Module 4 X RS-232 Serial Expansion Module
etechbuy.com
Free shipping
$732.08
1180435L1 Adtran Total Access 1500 Quad RS-232 Module 4 X RS-232 Serial Expansion Module
etechbuy.com