Lekuo MW84B41: M.2 to 4-Port RS-422/RS-485 Industrial Serial Card with WCH CH384L Chip
The Lekuo MW84B41 M.2 to 4-Port RS-422/RS-485 Industrial Serial Card delivers a premium, hardware-level connectivity breakthrough that brings multi-channel COM port scalability to space-constrained embedded platforms. Driven by the industry-proven WCH CH384L controller core and engineered into a standard M.2 2280 form factor, this compact card pipes 4 fully independent serial interfaces over a high-speed native PCIe 2.0 x1 bus layer—completely bypassing the stability risks and latency bottlenecks of consumer-grade USB solutions. Rated for flawless continuous operation across an extended industrial wide-temperature range (-40°C to 85°C) and supporting adjustable transmission speeds up to 230,400 bps, the MW84B41 offers seamless plug-and-play native driver integration for Windows and Linu
