RFID tags with integrated fasteners that visibly and electronically indicate seal status. Available as VTamper (visual proof) and eTamper (RFID-detected) variants in HF (NFC/Type 5) and RAIN UHF, with broadband 860–960 MHz UHF options. Housings resist liquids, UV, and temperature extremes; coin form factor supports barcodes/laser marking. Deployed for industrial bags/containers, RTIs, life-safety cabinets, and hazardous-waste control. Barcodes, Inc.