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AJMRTC ESP12E WiFi Module, ESP8266 Serial Port Remote Control Wireless Breakout Board, UARTtoWiFi Transparent Transmission Module for IoT Smart Device & MCU DIY Project

Model #: AJ*C8JM*U2756

$22^.63 –
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IO CREST 6 Port RS-232 DB9 Serial PCI-Express 2.0 x1 Card SI-PEX15040

Model #: C7FK-OYS-2026.7.28-744

$97^.99 –
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IO CREST 6 Port RS-232 DB9 Serial PCI-Express 2.0 x1 Card SI-PEX15040

Model #: C7FK-OYS-2026.7.28-53

$97^.99 –
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IO CREST 6 Port RS-232 DB9 Serial PCI-Express 2.0 x1 Card SI-PEX15040

Model #: C7FK-OYS-2026.7.28-552

$97^.99 –
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AJMRTC AT09 BLE 4.0 Bluetooth Serial Port Module, CC2541 Chip Compatible with HM10, UART Transparent Transmission BLE Module for MCU Serial Communication Wireless DIY Embedded Project

Model #: AJ*C8JM*U2340

$14^.98 –
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TP-SW4GBT-2SFP - 6 Port L2+ Manageable GigE Industrial 802.3at/bt PoE Network Switch, 4X 802.3at/bt PoE + 2X SFP 2.5GHz Fiber + 1x Serial Console Port, DIN Rail Mt, 12-57VDC Input

Model #: CLOLB0C1CWTGPR

$653^.99 –
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MikroTik RouterBOARD 1100AHx4 Dude Edition with 13 Gigabit Ethernet Ports, RS232 Serial Port and Dual Redundant Power Supplies (RB1100AHx4)

Model #: CLOLB071FGLTTC

$630^.99 –
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Serial Server RS485 To Ethernet Gateway Converter TCP/IP To Serial IoT Module Communication Device Communication TCP 232-304

Model #: C6T1813-XMHMYA540

$33^.46 –
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waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission

Model #: C5Z9-Lsy724-396

$88^.90 –
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Rail-Mount Industrial Isolated Serial Module 4-Ch RS485 to RJ45 Ethernet Serial Server Adapter, 4-CH Independent RS485, Support Modbus Gateway/MQTT/JSON, Bi-Directional Transparent Transmission

Model #: C5Z9-Lsy724-402

$112^.88 –
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waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission

Model #: C6T1813-XMYXDL574

$85^.76 –
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Lcantve Industrial Serial to Fiber Converter RS232 RS485 RS422 Optic Modem, Bidirectional SFP Slot Serial Over Fiber Converter, Up to 80KM, DC12~48V Power Input, -25C ~ 75C Operating Temperature

Model #: 880395168208

$158^.99 –
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waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission

Model #: C6T1813-XMYXDL571

$87^.76 –
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PCIE to 2 Ports RS-485/422 Serial Card with 1-to-2 Serial Ports Cable,Terminal Blocks,Expansion Card with 2 DB9 Connectors COM Ports Adapter Card Support Windows 10/8.1/8/7,with AX99100 Chip

Model #: TOLDB0G9PS7RH2

$77^.99 –
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AJMRTC FS800 4G DTU Core Board Serial to 4G Transparent Transmission Module, Support MQTT Protocol, HCore IoT Wireless Data Transmission Unit for Industrial Control, Charging Piles Remote Data Collect

Model #: AJ*C8JM*U3098

$24^.24 –
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1PCS PCI to RS-232 Serial Card 2 Ports RS232 to PCI Converter DB9 COM Adapter UT-7702

Model #: TOLDB0GWHFKNTJ

$112^.99 –
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Quantum PCIe Dual Serial Card ASIX AX99100 Chip 2x RS232 DB9 Ports 25Mbps Industrial Adapter for Windows Linux Low Profile

Model #: C10V-S49-7

$28^.99 –
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HF-2211 Serial to Ethernet Converter Device Server RS232 RS485 RS422 to WiFi Network Module with Wide 5-36VDC Input

Model #: RCCWB0B61X3BG2

$82^.99 –
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PCI-Express to 8 Ports RS232 DB9 Serial Card with Asix mcs9900 Fan Output Cable Pice RS-232 high Speed Chipset 920KB

Model #: TOLDB08TR2Z7VZ

$138^.99 –
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Serial UART Programmable WiFi Module IoT Remote Control Monitoring Data Transmission Wireless Modules USR-WIFI232-A2 X 2 PCS

Model #: CLOLB0B4S7JG8J

$83^.99 –
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1PCS Industrial Grade PCI to RS232 Serial Card 2 Ports High Speed DR44 Expansion Converter for 2U PC Case UT-752E

Model #: TOLDB0GWHJWJ6S

$166^.99 –
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HF HF5111S RS485 Serial to Ethernet Converter, Industrial Serial Server DTU, Supports Modbus RTU to Modbus TCP and MQTT, Built-in FreeRTOS System, 10/100M RJ45 Serial Transmission Gateway for PLC, Sen

Model #: C4P5-US724

$39^.99 –
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Waveshare RS485 to WiFi/Ethernet Module Rail-Mount Serial Server Modbus MQTT Gateway

Model #: C6T1813-XMYXDL151

$72^.76 –
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Enhanceds 2/4 Port RS422/485 Serials PCIE2.0 Card For Industrial Machine Connectivitys High Performances Interfaces

Model #: TOLDB0FFYKNFJK

$94^.99 –
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1PCS 2 Ports High Speed PCI-E PCI Express to RS-485 RS-422 Converter Serial Card DB9 RS485 RS422 Com Connector PCIE UT-792

Model #: TOLDB0GWHL831M

$236^.99 –
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Card, 12Gb / s Data Transfer Rate 2GB PCI Express 3.0 with 4 Internal Serial ATA SAS Ports, for Desktops Servers Workstations

Model #: TOLDB0G5THDND8

$283^.99 –
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AJMRTC DualMode Bluetooth 5.1 Module for Raspberry Pi Pico, SPP and BLE Wireless Communication Board, Serial Transceiver Module for DIY Electronic Project Development, Clock Module Not Included

Model #: AJ*C8JM*U2560

$22^.77 –
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PCIe 1X to 8 Serial Port DB9 RS232 Expansion Card Adapter Chip ASIX AX9900 for PC, Touch Screen, Scanner, Printer, Modem, Reader

Model #: DW-TXB107

$67^.73 –
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Ethernet RJ45 to RS232 DB9 Serial Port Device Server Converter Industrial Ethernet LAN Adapter Support TCP/RTU/UDP Modes

Model #: DW-TXI022

$29^.99 –
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PCIe 1X to 8 Serial Port DB9 RS232 Expansion Card Adapter Chip ASIX AX9900 for PC, Touch Screen, Scanner, Printer, Modem, Reader

Model #: DW-TXB107

$69^.99 –
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JAENFONG PCI-E 1x Single Port DB9 RS232 PCIe to Serial Port Expansion Card Adapter Converter Chipset ASIX AX9900 for Desktop PC Computer

Model #: ZZ-840

$18^.47 –
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PCIe to 4 x Serial Port DB9 RS232 COM Expansion Card PCI Express X1 Riser Card Adapter Chipset ASIX/AX99100

Model #: DW-TXB077

$17^.99 –
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YEPLOOK PCIe to 2x DB9 RS232 COM Serial Port+ 1x DB25 Parallel Port Printer LPT Adapter Card Chipset ASIX/AX99100 for Desktop Computer

Model #: DW-TXB070

$19^.99 –
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PCIe to 2 Serial Port RS232 DB9 PCI-E PCI Express 1x Adapter Riser Card Support RS232, RS485 & RS422 Modes Chipset ASIX/AX9900

Model #: DW-TXB068

$18^.45 –
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LINOVISION Industrial 8 Ports Gigabit Managed PoE Switch with DC12~57V Input, L2 Management, RS485 Serial Port, DC 12/24V Output, BT 90W Output

Model #: 9391048955911

$565^.99 –
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Vszerda 5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (5pcs)

Model #: N23468468

$75^.99 –
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