Electronics > Access Control > Access Control Cards
13.56MHz RFID IC Card SIGMA-FE05
Brand: Generic / OEM
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Audited BOM: 5 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low sensitivity of the antenna (ENG-001) combined with potential chip degradation (COMP-001) leads to read failures after a short period of use, resulting in RMA (RMA-001) and customer complaints (REV-001).
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