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Alternatives and similar models for Longshine LCS-6321M PCIe RS232 2-port controller

Longshine LCS-6321M PCIe RS232 2-port controller Photo 1

Based on this product's specifications, here are some alternatives and similar models

PCIe RS232 Serial Controller Longshine LCS-6321M – 2x RS232 ports, 0.1 kg
Summary description: Longshine LCS-6321M is a PCIe serial controller card providing two RS232 ports. Designed for systems requiring legacy serial connectivity, it installs into a PCIe slot to add hardware-level UART interfaces. Suitable for connecting industrial devices, modems, POS terminals or instrumentation. Compact, lightweight (0.1 kg) solution to expand serial I/O on desktops or embedded PCs.
Manufacturer: Longshine
Category: I/O Adapters & Controllers
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