Smart IoT device is one series of Android UHF RFID fixed reader, integrated design but support 1 additional antenna port. Running with Impinj Indy R2000 chipset/ newest Impinj E710 RAIN RFID reader chip upgradable, and operated on Otca-core Android 9.0 operation system. It not only includes built-in 4G, WiFi, and Bluetooth as standard, and PoE (IEEE 802.3 af/at/bt) optional, but also supports built-in web management functions such as remote