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4-Channel Wi-Fi NVR Kit with 4 Full HD 1080P H.265 Multi-Sensor Cameras LKK-3214
Brand: Generic / OEM
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Audited BOM: 8 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 use of low-cost Wi-Fi modules and low-gain antennas on both cameras and the NVR (COMP-001, COMP-004) directly leads to signal instability and loss (ENG-002), resulting in disconnection complaints (RMA-001) and user frustration (REV-001).
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