Electronic Shelf Label System
Composition
Central
Computer: Handling Database information, providing
pre-treatment on the Info.
Emitter
:Connecting with Central Computer through cable, driving
Antenna to send RF signal loaded with data Info to whole store.
Loop Antenna: Cable layout in the store.
ESLs: Reverting
received RF signal into data Info, then display on LCD modules.
RF Key : A portable controller.
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