Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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Serial Port Multiplexers of 2025
Save up to 17% off
Best Choice1
RADRAD - OP-106/ETH/SC/13 - Fiber Multiplexer For 4t1 And Ethernet Or Serial Data, Ethernet Port, Sc Connector, 1310 Nm Multimode Led
9.8Exceptional
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Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
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Value for Money2
MATOLUOMATOLUO USB Serial Port Monitor Tool – Real-Time RS232 Analyzer | USB to Serial Data Sniffer with Protocol Decoder | Windows Only, for Engineers, Developers & Debugging
9.5Excellent
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3
LINOVISIONLINOVISION Dual Ports Serial Server, RS485 and RS232 to Ethernet Convertor, Modbus RTU/TCP Conversion, RS485 and RS232 to RJ45 Convertor, Processor Upgraded
9.4Excellent
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4
StarTechStarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub , TAA (ICUSB2324I)
17% Off9.3Excellent
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5
DTechDTech 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data
9.2Excellent
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6
HiLetgoHiLetgo 5pcs RS232 to TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE
9.1Excellent
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7
diustoudiustou SP3232 Isolated RS232 to TTL Converter Module with Metal Enclosure Industrial Serial Port Adapter Board with Optical Isolation Protection 3.3V/5V DB9 Male
12% Off8.9Very Good
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8
FlozariFlozari Analog to Digital Signal Type 485 Two-Host Instruction Cache Communication Module Modbus Isolated Serial Port Data Sharing Allocator(Model2)
8.8Very Good
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9
FlozariAnalog to Digital Signal 485 Two Host Instruction Cache Communication Module Modbus Isolated Serial Port Data Sharing allocator(2)
8.7Very Good
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10
DIEWUDIEWU 1Ux19inch 8-Ports Industrial Serial Device Server Dual 10/100Mbps Port Rj45 to RS232/RS485/RS422 Support Auto-MDI/MDIX
8.6Very Good
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