According to the market need ,OPPIOT technology team developed UHF RFID tags OPP3613 ,which is a rugged waterproof UHF tag can be used for tracking metal assets and equipment such as machinery, parts, containers, railway cars, trolleys, trailers, with very good performance in identification and tracking of the objects ,The RFID tracking tags OPP3613 may also can be used in an array of applications, improving efficiency, reliability and punctuality in public areas mass transportation systems from trams to light rail vehicles, metro systems, people mover systems and freight rail systems.