F5009N UHF RFID single port long range passive Integrated Reader Writer is a high-performance reader/writer with full USB, RS233/RS485, RJ45 ethernet and wifi connection opitonals. It can supports wiegand communication protocol too.
PM2.5 dustproof mask is a mask designed to protect the wearer from dust in the air, especially those PM2.5 particles. particulate matter (PM) are microscopic solid or liquid matter suspended in the air.