In this work. ZnO nanoparticle resistive sensors decorated with rare earths (REs; including Er. Tb. Eu and Dy) were used at room temperature to detect atmospheric pollutant gases (NO2. https://www.nacrack.com/flash-choice-Netgear-Nighthawk-LTE-Mobile-Hotspot-Router-Mobile-Hotspot-LTE-BRAND-NEW-p8608-best-super/