840 USDA HDX EID Ear Tags​

The 840 USDA HDX EID ear tag is a government-approved, high-performance electronic identification solution for livestock producers who require official USDA animal ID compliance. Featuring an embedded HDX (Half Duplex) RFID chip and a unique 840 number, these tags are certified by the USDA for use in national disease traceability and interstate movement of cattle, sheep, and goats.

Each tag includes a tamper-evident design, ensuring lifetime retention and secure identity. Whether used for breeding stock, auction animals, or cattle headed for processing, these tags deliver unmatched data accuracy and scanning reliability—even in high-interference environments.

Key Features:

• 840 Prefix Number: Indicates USDA-approved official animal ID

• HDX RFID Technology: Offers robust signal performance even with interference

• ISO 11784/11785 Compliance: Compatible with all official EID readers

• Tamper-Proof Male/Female Lock: Ensures security and long-term attachment

• Visual & Electronic ID Combo: Printed number for manual reference + RFID chip

• Official USDA Approval: Certified for use in National Animal Identification System (NAIS)

• Lifetime Traceability: Supports farm-to-fork visibility and animal health programs