Heavy-duty passive RAIN RFID railway tags are engineered for rolling stock identification on locomotives, coaches, and wagons. Fully encapsulated and maintenance-free, these on-metal tags offer a predictable 10-year service life and withstand vibration, UV exposure, moisture, corrosion, and chemicals. Built to GS1 GIAI-202 standards, they feature extended user memory for offline data access without backend connectivity. Supporting multiple mounting options, the tags deliver reliable read ranges of up to 15 meters, ensuring continuous visibility, traceability, and asset control across railway infrastructure.