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Concentrators & Multiplexers

Shop the best prices on 450 great value concentrators & multiplexers. Shopping for concentrators & multiplexers is easy with Fruugo, with SALE discounts, offers and savings on many brands. Buy concentrators & multiplexers online safely with Fruugo, with secure payment and fast shipping to Japan.

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1 - 32 of 450
Ac110-220v Portable With Battery Concentrator Ventilator Sleep Mini Oxygen Hine Home 3l/min
¥70,290
2X -DR302 Din Rail Serial RS485 to Ethernet IP Server Module Ethernet Converter Modbus RTU to Modbus
¥9,190 Save ¥6,400 RRP: ¥15,590
2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Board for Stemma Qt/Qwiic Expandable Module For Multiple Sensory Networking Multicolor
¥3,999
Ethernet Converter RS232485422LORA Module LR100 Signal Converter Long Range Wireless PLC RS232/RS485/RS422
¥14,490 Save ¥7,300 RRP: ¥21,790
3 Channel Multiplexer Transmitter and Receiver(Black)
¥13,490
RS485 to Ethernet Serial Port Server Modbus IP 600bps-921600bps Industrial IoT Communication Server
¥3,499 Save ¥10,391 RRP: ¥13,890
Industrial Modbus TCP/IP Server RS485 to Ethernet Converter 600bps-921600bps
¥9,190 Save ¥7,000 RRP: ¥16,190
Wall Mount RS485 to Ethernet Converter for Modbus Protocol Support
¥7,590 Save ¥3,000 RRP: ¥10,590
RS485 serial to Ethernet converter with UDP and HTTPS Edition 1107
¥5,690 Save ¥5,800 RRP: ¥11,490
1-to-8 Isolated RS485 Hub Splitter, Industrial Grade Optically Isolated Dual-Way Sharer
¥12,190 Save ¥12,100 RRP: ¥24,290
PaHub V2.1 Unit Multiplexer IoT Development Kit Bus 1 in 6 Expansion on-Board Dipswitch PCA9548AP
¥3,249 Save ¥700 RRP: ¥3,949
H ELTEC AUTOMATION HT1303 LoRaWAN Concentrator Module SX1302 SX1250 Chip LoRa Gateway Base Station Module 868MHz SPI Version
¥5,990 Save ¥4,100 RRP: ¥10,090
HF-5122 Dual Serial Port to Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC
¥22,190 Save ¥18,900 RRP: ¥41,090
MT-RS104 Active Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 with Power
¥8,390 Save ¥8,300 RRP: ¥16,690
Elfin EW10A Serial Server Supports Multiple Network Protocols and Remote Management RS232 to WiFi
¥1,799 Save ¥1,800 RRP: ¥3,599
DIN-Rail RS485 to Ethernet Converter with MQTT & Modbus RTU Support
¥9,690 Save ¥9,700 RRP: ¥19,390
Industrial-grade 1 to 8 RS485 Hub Dual-way Communication RS485 Drive Free SZRH A-C
¥9,890
Waveshare Industrial Isolated RS232/485/422 to RJ45 Ethernet Module TCP/IP to Serial Module Rail Type Serial Server [with POE] unbrand
¥6,190
Industrial Isolated 4CH RS485 to ETH Converter, Support Modbus/MQTT/JSON, for Industrial Use -LL
¥18,090 Save ¥14,200 RRP: ¥32,290
RS485 to RJ45 Converter 300bps to 230400bps Minus10 to 55 10/100M Data Rate Ethernet Serial Server for Windows System
¥4,599 Save ¥2,691 RRP: ¥7,290
HF-5122 Dual Serial Port to Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC
¥11,190 Save ¥6,600 RRP: ¥17,790
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
¥6,690
Media Converter Fiber to Ethernet Converter 10M 100M RJ45 Port to 100Base Multimode Fiber Media Converter 100?240V US Plug
¥2,899 Save ¥1,450 RRP: ¥4,349
ELFIN Serial Port RS485 to WiFi Serial Device Server Elfin-EW11A
¥9,190 Save ¥4,500 RRP: ¥13,690
Ethernet Port Expander: 1 to 2/3/4 RJ45 Adapter for Multi-Device Networking and Enhanced Data Speed
¥6,390 Save ¥5,300 RRP: ¥11,690
1pc R401H-1B RS485 Optically Isolated Serial Hub with Half-Duplex Transparent Transmission and 32 Nodes,RS485 Serial Hub
¥4,449
RS485 serial to Ethernet module USR-DR302 DIN rail mount 26s
¥8,590 Save ¥8,500 RRP: ¥17,090
Industrial RS485 to Ethernet Converter Serial Device Server with Multiple Working Modes for Modbus RTU
¥7,490 Save ¥3,700 RRP: ¥11,190
2025 RS485 Serial Port Server RS485 to RJ45 Ethernet TCP/IP to Serial Port Module Rail Type Serial Port
¥11,690 Save ¥11,600 RRP: ¥23,290
Exquisite Modbus Serial Port RS485 To Ethernet Converter Server USR-TCP232-304 Data Transmission DHCP/DNS Supported 2025
¥9,590 Save ¥9,600 RRP: ¥19,190
2025 Usr-dr302 Din Rail Serial Rs485 To Ethernet Tcp Ip Server Module
¥5,890 Save ¥5,800 RRP: ¥11,690
BNC-Koaxial-Design Attenuator With 5 dB Step Adjustable Signal Level Control For RF Systems
¥6,590 Save ¥3,300 RRP: ¥9,890