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Continue to ChatCervoz Mini-PCI Express 2xRS-232+2xRS-232/422/485 Module - MEC-COM-M154 https://www.bvm.co.uk/products/1045-mini-pci-express-module-mec-com-m154/
Cervoz Mini-PCI Express 2xRS-232+2xRS-232/422/485 Module - MEC-COM-M154 https://www.bvm.co.uk/products/1045-mini-pci-express-module-mec-com-m154/