Zebra MC3390R (Discontinued) is a rugged long-range RFID mobile computer designed for high-efficiency inventory and asset tracking in demanding industrial environments. It features integrated UHF RFID reading with extended read range, advanced barcode scanning, and a durable, ergonomic design optimized for warehouse and logistics operations. The MC3390R was widely used in distribution centers, manufacturing, and supply chain applications before being discontinued and replaced by newer Zebra RFID mobile computing solutions.