POD
The RFID Tag / Smart Tag install on the pod that will be track products status.
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E-Rack

 
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Operator
Ask operator check in/out before move pod from E-rack Person position or load port. b. This is E-Rack will be track operators work status .
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WIFI 、UHF、Zigbee:
- Tag operator position .
- record employees ’s activity at fab .
 
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