Standard memory model · 13 min
Why Standard UHF RFID TID Cannot Be Rewritten
Decode MB10 from allocation class through MDID, TMN and XTID, then follow a Write attempt to the factory-permalocked memory boundary.
UHF RFID MEMORY · RF · VALIDATION
Changeable-TID RFID, without the folklore
Six original English guides for engineers and buyers. Start with what standard TID means, then examine the special implementation, prove the behavior and decide whether the product belongs in the application.
Editorial method
We label standards facts, chip-vendor specifications, supplier-reported product data and engineering inferences separately. We do not claim that a user-controlled MB10 value remains a factory-unique TID, and we do not infer an undocumented chip architecture from a reader screenshot.
READ IN ORDER
Three-part technical foundation
These articles form one argument: conventional identity first, special behavior second, reproducible evidence third.
Read guide 1 ↗
Special implementation · 15 min
How a Changeable-TID UHF RFID Tag Can Work
Separate Gen2 command transport from memory semantics and examine plausible architectures without pretending an undocumented chip design is known.
Test protocol · 18 min
How to Validate a Changeable-TID UHF RFID Tag
Test exact word boundaries, cold persistence, reader independence, lock states, RF margin and pilot-lot acceptance before ordering quantity.
PRACTICAL DECISIONS
Choose the memory, RF margin and application fit
Each guide answers a separate high-intent engineering question and can be read on its own.
Data architecture · 12 min
EPC vs TID vs User Memory in UHF RFID
Choose the right place for an inventory identifier, auxiliary payload, IC identity or mutable business record before selecting a special tag.
RF link budget · 14 min
UHF RFID Read Range vs Write Range
Understand forward/reverse links, read/write sensitivity, dB thresholds, polarization, detuning and why an inventory result is not a write guarantee.
Application fit · 13 min
When Not to Use a Changeable-TID RFID Tag
Concrete no-go scenarios for authentication, access, tolling, regulated traceability, portals, conveyors, metal/liquid and mixed-reader systems.
PRODUCT EVALUATION
Turn the analysis into a sample test
Tell us the tag format, reader, antenna, frequency region, required memory behavior and authorized application. We will identify the sample boundary and quote from Shanghai or Long Beach according to stock.