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Concentrators & Multiplexers

Shop the best prices on 1,255 great value concentrators & multiplexers. Shopping for concentrators & multiplexers is easy with Fruugo, with SALE discounts, offers and savings on Maikaisen. Buy concentrators & multiplexers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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513 - 544 of 1,255
2X Ports RS232 Switch DB9 Pin COM Port Sharer 4 in 1 Out Serial Port Sharing Device Button Switch
From $49.95
Professional 4 Channel RS485 Indication Increaser With 12Mbps Blue green Rhythm Resistant ABS Housing Multicolor
From $129.00
MultiPort RS485 Hub Splitter 8 Or 16 Way Expansion Hub Plugs And Play Installation For Long Distances Control Systems Multicolor
From $84.00
NA111-M RS485 to Ethernet Serial Server DC 8-28V RS485 RJ45 TCP/UDP MQTT Small Size Modbus Industrial Grade AT Support
From $35.95
NA111-M RS485 to Ethernet Serial Server DC 8-28V RS485 RJ45 TCP/UDP MQTT Small Size Modbus Industrial Grade AT Support
From $34.95
2X USR Ethernet Server Module USR-TCP232-302 RS232 to Ethernet TCP IP Server Module Ethernet Converter Support DHCP/DNS
From $104.00
3X RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
From $94.00
2X RS485 to Ethernet Module RS485 Serial to Ethernet Serial Transmission Versatile Convenient Communication Module
From $39.95
2X RS485 to Ethernet Serial Port Server Modbus TCP/IP 600bps-921600bps Industrial IoT Communication Server
From $94.00
USR-TCP232-302 RS232 to Ethernet Converter Support DHCP/DNS
From $99.00
Waveshare Industrial Isolated 4CH RS485 to POE ETH Ethernet Converter Support Modbus/MQTT/JSON Industrial DIN-Rail Design
From $169.00
RS232 Serial Port Server to Network Port Module Transparent Transmission RS232 Modbus Gateway Rail E300
From $54.00
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
From $79.00
8 Port Serial Device Server Converter Ethernet to RS232/422/485 Support VCOM/TCP Server/ TCP Client/UDP Industrial Grade
From $329.00
Industrial 8 Channel RS485 HUB RS232 RS485 to 8 Ports RS485 Serial Converter Hub
From $259.00
2X Throwing Star LAN Tap Network Packet Capture Module Replica Monitoring Ethernet Communication Passive Ethernet
From $18.95
3X LAN Ethernet RJ45 TCP/IP WEB Remote Control Board with 4 Channels Relay UDP W5500 Networking Controller
From $149.00
WIFI Module Wireless Device for SP HGS ECO Solar Hybrid Inversor Remote Monitoring Hybrid Solar Inverter
From $54.00
2X Throwing Star LAN Tap Network Packet Capture Module Replica Monitoring Ethernet Communication Passive Ethernet
From $17.95
RS485 Hub Repeater 4 Port, Industrial Grade 4-Channel RS485 Distributor Splitter Isolated Serial Bus Expander
From $54.00
2X Network Time Server NTP Time Server for GPS Beidou GLONASS Galileo QZSS Desktop Version EU Plug
From $389.00
For APC Male and for APC Female Adjustable Fiber Attenuator 1-30dB 1310nm /1550nm SC Mechanical Flange Adapter Special
From $24.95
RS485 Hub Repeater 4 Port, Industrial Grade 4-Channel RS485 Distributor Splitter Isolated Serial Bus Expander
From $54.00
4-Channel RS485 Hub Industrial Grade Isolation Modbusrs Splitter Optically Isolated Signal Isolation Extender
From $99.00
2X Throwing Star LAN Tap Network Packet Capture Module Replica Monitoring Ethernet Communication Passive Ethernet
From $18.95
2X Industrial Modbus Serial RS485 RS422 to Ethernet Converter Device Server TCP/RTU/UDP RJ45 to RS232+RS485 Connector
From $84.00
Ethernet Serial Server for RS485 Converter with DR134 Model
From $74.00
1-to-8 Isolated RS485 Hub Splitter, Industrial Grade Optically Isolated Dual-Way Sharer
From $149.00
Elfin EW10A Serial Server Supports Multiple Network Protocols and Remote Management RS232 to WiFi
From $29.95
2X USR Ethernet Server Module USR-TCP232-302 RS232 to Ethernet TCP IP Server Module Ethernet Converter Support DHCP/DNS
From $104.00
Exquisite Modbus Serial Port RS485 To Ethernet Converter Server USR-TCP232-304 Data Transmission DHCP/DNS Supported 2025
From $139.00
Industrial Isolated RS485 to ETH (C) RJ45 Converter Wall/Rail-Mount compatible with Modbus compatible with Reliable Data Communication
From $64.00