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What are the functional differences between the WiFi and Bluetooth tags?

What are the functional differences between the WiFi and Bluetooth tags?

Update Time:2022/9/4
The Wifi and bluetooth electronic shelf labels have different communication methods. 
Wifi esl is to use WiFi network to communicate with the system, 
and bluetooth esl  is to use Bluetooth protocol to communicate with the tag. 
and bluetooth electronic shelf labels requires PDA or intelligent terminal to operate it.
It is point to point to update for bluetooth.
Here are two documents for you , let you know more about our products.
Bluetooth ESL Introduction
Wifi ESL Introduction
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