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Continue to ChatAcksys WL-COMETH-ATEX - Wireless RS232 / RS422 / RS485 serial device server for hazardous explosive areas (Zones 1 & 21), Acksys https://www.concretespares.ie/product/acksys-wl-cometh-atex-wireless-rs232-rs422-rs485-serial-device-server-for-hazardous-explosive-areas-zones-1-21-acksys/