Beijing Touch IOT technology Co.,Ltd.

About us

About Us ShenzhenGreatWisdom Technology Limited is one of the leading RFID reader manufacturers.We are committed to R & D, produce and sale Smart RFID Module, Bluetooth Module, IC Card Reader and Writer, Payme

Description of DQ521 DQ521, an IC card reader and writer , designed by small size, low power check card (LPCD) and easy operation. This RFID module can read the main part of smart cards,suchi as ISO14443typeA and &n

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