This product is a perfect combination of the high frequency & low frequency & Bluetooth 4.0, and it can be connected or operated offline, and this is the best device for IOT to make connection more convenient.

Automatically store 1,000 groups of IDs in connection and offline status and automatically mark them according to the attributes of the tags. The card reading mode includes a command mode (read and write mode)

a single card mode and a continuous card reading mode, and the anti-duplication reading function automatically starts when a card is read.

This product’s read/write function conforms to most NFC tags and devices, and has a wide range of applications, such as access control, inventory management, and automatic verification of logical access control.