RFID Automation in Weighbridge Systems: How Windshield Tags Work

Radio Frequency Identification (RFID) is the core technology powering 24x7 unmanned weighbridges. By affixing passive UHF windshield tags or metal-mount tags to trucks, industrial plants automate vehicle identification, authorization, tare weight lookup, and gate barrier control without requiring drivers to exit their cabs.
UHF Passive RFID Tags vs HF Smart Cards
UHF 865-868 MHz Long-Range Windshield Tags
Operates at 6 to 12 meters distance. The fixed overhead RFID antenna automatically reads the tag as the truck approaches the weighbridge scale at 15-20 km/h, triggering barrier opening automatically.
Metal-Mount Heavy-Duty UHF Tags
Designed for mining dumper trucks and harsh environment trailers. Encapsulated in IP68 waterproof housing and bolted directly to the truck chassis or metal bumper.
Workflow Automation & ERP Sync
When the RFID reader decodes a tag ID, HKDesk software queries the central SQL Server to verify vehicle registration, driver license, active purchase order (PO), or delivery challan. If valid, the entry boom barrier lifts, and the weighing process begins automatically.
Implement RFID Weighbridge Automation
HKDesk provides complete RFID hardware readers, windshield tags, metal tags, and software integration.
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