Passive RFID Tags Molex Passive RFID Tags are robust and able to withstand extreme temperatures, vibration, and challenging environments. These IP67- and IP68-rated tags adhere to a variety of surfaces such as metal, insulated cables, glass, plastic, and other non-metal material. Molex Passive RFID Tags feature size and read-range options that include tags smaller than a fingernail as well as tags large enough to be read from more than 50 feet away. These tags are ideal for manufacturing, construction, agriculture, and service/rental applications. The 902MHz to 928MHz operating frequency RFID tags are compatible with North America standards. The 865MHz to 928MHz operating frequency RFID tags are compatible with North America and EU standards. The 920.25MHz to 924.75MHz operating frequency RFID tags are compatible with China standards.