Aranet, a brand of SAF Tehnika in Latvia, makes wireless sensors best known for the Aranet4 CO2 monitor. Its devices use long-range, low-power radio to track CO2, temperature, humidity and pressure, with long battery life and an E-ink display. Aranet is widely used in offices, schools and homes for reliable, accurate CO2 monitoring.
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ChinaGMKtec is a Chinese computer maker founded as Shenzhen GMK Technology that builds mini PCs almost exclusively, with the name standing for Geek, Modern and Kreativ. Its range runs from compact NucBox office machines to the M series and the EVO-X line of AMD Ryzen AI workstations, and the company positions itself around desktop AI computing. Machines typically ship with Windows 11 Pro, run Linux, and keep memory and M.2 storage socketed rather than soldered so buyers can upgrade them.
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