Volcano Tag™ passive contactless radio frequency identification (RFID) 125 KHz transponders are built for reliable performance in high-heat conditions. For RFID applications where tags must perform before, amidst or following extreme heat exposure, Volcano Tag discs withstand peak temperatures up to 392° F (200° C). Chip Type: Unique (64 bit read-only). Reading Distance: Dependent upon reader, environment and application. Black. IP68. Size Ø: 26.1 mm. MOQ: 3.200 units. Box Size: 800 pieces.