Your Browsing History
- In Stock
- Sold by Newegg
- Make an Offer
- New

Quick View
Character Card ZH-E3L Secondary Development LED Display Control Card Network Port Serial Port E3L(ZH-E3L Character Card (NIC-RS485))
- Model #: TOLDB0F7X6H5N8
- $250.99 –
- Free Shipping

Quick View
Control Card TF-F6NUR Network Port Card U Disk Serial Port Single and Double Color led Display E6NUR F6NUR
- Model #: TOLDB0F7XL8W3X
- $184.99 –
- Free Shipping

Quick View
Control Card ZH-E1L Network Port Serial Port U Disk Network Cluster Electronic LED Display E1L
- Model #: TOLDB0F8Q9WZ5Q
- $114.99 –
- Free Shipping

Quick View
Control Card BX-6K3 Secondary Development Network Port RS485 Serial Port RS232 Font Card led Display 6K3
- Model #: TOLDB0F8Q97PHB
- $249.99 –
- Free Shipping

Quick View
Character Card ZH-E3L Secondary Development LED Display Control Card Network Port Serial Port E3L(ZH-E3L Character Card (NIC-RS232))
- Model #: TOLDB0F7XBXGRX
- $241.99 –
- Free Shipping

Quick View
Control Card ZH-E5L Network Port Serial Port U Disk Network Cluster LED Display to Change The Word E5L
- Model #: TOLDB0F8QB6ZPY
- $205.99 –
- Free Shipping

Quick View
PCIe to 4-Port RS-485/422 Serial Card, High-Speed 9-Pin DB9 COM Port Expansion with Surge/Lightning Protection, Voltage Suppression Terminal Blocks
Limited time offer, ends 09/29
- Model #: C731-45-LJU01
- $85.13 –
- Free Shipping

Quick View
Dazzle Blue Light Control Card TF-C6NUR Network Port U Disk Serial Port Single and Dual Color led Display M6NUR C6NUR
- Model #: TOLDB0DZMXQDPC
- $121.99 –
- Free Shipping

Quick View
PCIe to Dual RS-485/422 Serial Port Card with DB9 Connectors - High-Speed 1-to-2 Multi-Port Expansion Card, Terminal Block Adapters
- Model #: TOLDB0F9FMG1PZ
- $75.99 –
- Free Shipping

Quick View
Control Card ZH-E8L Network Port Serial Port U Disk Network LED Display to Change The Word E8L E7L
- Model #: TOLDB0DZMJS8QY
- $362.99 –
- Free Shipping

Quick View
CC3220R Chip of The Ultra-Low Power Serial Port-to-Wi-Fi Module Supports Modbus TCP Server/Client New 2025 for Arrival High for Quality
- Model #: TOLDB0F26MWZFM
- $85.99 –
- Free Shipping

Quick View
Gembird SPC-22 Internal Serial Interface Card and Adapter - Accessory (Pcie, Serial, Low Profile, Rs-232, Wch382, Black)
- Model #: TOLDB07D8YRWPP
- $83.99 –
- Free Shipping

Quick View
1set and Fast Data Transfer PCI to 8Ports RS232Serial Card Stable for Multiple Serials Devices Device Control and Communication
- Model #: TOLDB0GCMTK4DD
- $148.99 –
- Free Shipping

Quick View
LINDY 4 Port Serial RS-232, 16C650 128 Byte FIFO PCIe Card (51189)
- Model #: TOLDB0028R1AF2
- $149.99 –
- Free Shipping

Quick View
0PPHXF New COM Serial Port Module for Pro Micro QCM1250 QBM1250 Desktop
- Model #: TOLDB0GZNWCJ7S
- $153.99 –
- Free Shipping

Quick View
CWWK N5105 Soft Routing Six Network Port i226 Network Card DDR4 Dual Memory/M.2 NVMe Solid State /4 USB/RS232 Serial Port (Barebone)
- Model #: TOLDB0C77737TH
- $674.99 –
- Free Shipping

Quick View
4.0 Bluetuth Module Dual Mode Ble Spp Transparent Serial Port HM-12T HM12T New 2025 High for Reliable Electronic Component, Precision, Stable Performance
- Model #: TOLDB0F2B1R74H
- $89.99 –
- Free Shipping

Quick View
2080-SERIALISOL Micro800 Isolated Serial Port Plug-in Module 2080SERIALISOL New in Box with Warranty
- Model #: TOLDB0CH5CS1NV
- $349.99 –
- Free Shipping

Quick View
LINDY 2 Port Serial RS-422/485, 16C1050 PCI Card (51215)
- Model #: TOLDB004AOGZB0
- $218.99 –
- Free Shipping

Quick View
8 Port Serial RS232/422/485 PCIe Module Isolation and Surge Protection
- Model #: TOLDB01NCJY2GH
- $671.99 –
- Free Shipping

Quick View
Brainboxes Serial Adapter - 2 Ports (ES-357)
- Model #: TOLDB008S0EMTO
- $545.99 –
- Free Shipping

Quick View
LINDY 8 Port Serial RS-232, 16C950 128 Byte FIFO PCI Card Std Profile (51275)
- Model #: TOLDB003OAWZKG
- $723.99 –
- Free Shipping

Quick View
8 Ports MQTT Modbus Gateway Support SSL/TLS Edge Computing RS485 Serial to ethernet Converter Device Server USR-N580
Limited time offer, ends 10/07
- Model #: RCCWB0BVYKDHH3
- $227.99 –
- More options from $227.99 - $229.99
- Free Shipping

Quick View
PCIE RS232 Expansion Card PCIe Serial Host Controller Card with 2 Port PCI Express RS232 DB9 Serial Port, ASIX AX99100 Chip, Support for Windows
Limited time offer, ends 09/29
- Model #: LHXC6W1JU09-6
- $38.99 –
- Free Shipping

Quick View
MOXA NPort 5430 w/Adapter 4-Port RS-422/485 Serial Device Server, 10/100 Ethernet with Power Adapter, RS-422/485, Terminal Block
Limited time offer, ends 09/26
- Model #: CIKHB07CHQPZPG
- $799.96 –
- More options from $799.96 - $936.99
- Free Shipping

Quick View
MOXA NPort 5650-8-DT-J 8-Port Serial Device Server, 10/100 Ethernet, RS-232/422/485. Connector, RJ-45 8pin Jack connectors, i15KV ESD, 12-48VDC, 110V Power Supply
Limited time offer, ends 09/26
- Model #: GODSB07CCJHGHM
- $1,199.96 –
- Free Shipping

Quick View
MOXA NPort 5650-8-DT-J 8-Port Serial Device Server, 10/100 Ethernet, RS-232/422/485. Connector, RJ-45 8pin Jack connectors, i15KV ESD, 12-48VDC, 110V Power Supply
Limited time offer, ends 09/26
- Model #: HANRB07CCJHGHM
- $1,199.96 –
- Free Shipping

Quick View
Cisco C819 M2M Hardened Secure Router with Smart Serial - 5 Ports - Management Port - SlotsGigabit
- Brand: CISCO
- Speed: 10/100Base-TX 10/100/1000Base-T
- Model #: C819H-K9
- $948.77
- $849.95 –
- Save: $98.82 (10%)
- Free Shipping

Quick View
Industrial 4 Ports Serial Device Server Converter Ethernet to RS232/422/485 Support VCOM/TCP Server/TCP Client/UDP Mode
- Model #: CIKHB0844YFWHT
- $188.19 –
- More options from $188.19
- Free Shipping

Quick View
MOXA NPort 5110-1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male
- Model #: RCCWB0798DT6SQ
- $173.99 –
- Free Shipping

Quick View
UTEK PCI to 4 Ports RS232 High Speed Serial Card RS-232 Multiport Serial Adapter DR44 Expansion Connector Industrial Grade Converter UT-754
- Model #: BZ59-985
- $78.39 –
- Free Shipping

Quick View
Arnorin DB9 Null Modem Adapter Male to Female Slimline Data Transfer Serial Port Adapter 10 Pack
Limited time offer, ends 09/27
- Model #: HYH-20260630-C7CC-4326
- $138.97 –
- Free Shipping

Quick View
Dual Band Serial to WiFi6 Converter with MQTT SSL Quacomm WiFi Roaming Gigabit Port RS232 RS485 to WiFi6/Ethernet USR-W660
- Model #: RCCWB0CYBKCZHR
- $538.99 –
- Free Shipping

Quick View
DriverGenius 2-Port PCI Express PCIe RS232 Serial Host Controller Adapter Card - PCIe to Serial DB9 Compatiable with Windows & Linux
Limited time offer, ends 09/27
- Model #: HYH-20260630-C7CC-1776
- $123.29 –
- Free Shipping

Quick View
DriverGenius 2-Port PCI Express PCIe RS232 Serial Host Controller Adapter Card - PCIe to Serial DB9 Compatiable with Windows & Linux
Limited time offer, ends 09/27
- Model #: HYH-20260630-C7CC-2776
- $123.29 –
- Free Shipping
