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Description of DQ3021
1 SUMMARY DQ3021, an IC cards read and write module designed by small size, low power check card (LPCD) and easy operation. This RFID module,antenna is integrated.Easy to use,safety to o

Description of DQ3021

SUMMARY

DQ3021, an IC cards read and write module designed by small size, low power check card (LPCD) and easy operation. This RFID module,antenna is integrated.Easy to usesafety to opreate.

It widely used in office/home security, personal identity, entrance guard system, security systems, intelligent instruments and meters, interactive toys and production process control ,which a variety of wireless radio frequency identification (RFID) system.

 

 

FEATURES

 

 

Computer interface

Interface

SPI/UART

Power supply

3.3V(±5%

Contactless smart card interface.

Termsed standard

ISO14443 TYPE- A,

Standardof contactless card

ISO14443A,which is MIFARE Classic 1K/4K,  FM11RF08, MIFARE Ultralight ,ISO14443A CPU,

 

Working frequency

13.56MHz

Operating distance

0-50mmdepending on card quality

Human-Computer Interface

Dimension

35mm*50mm*2.4mm

stand by

Support low power check cardopen by confirmed

Environmental requirements

Operating temperature

-25~+85

Storagetemperature

 

-40~+125℃

 

 

 

 

 

PICTURES

Product Pictures

 

 

 

 


 


 

 

 

 

 

 

Size

 

 

 

 

 

LOW  POWER  CHECK  CARD

Keepping INT pin in high level or dangling situationModule is normal working

Using externalIOput INT pin in low power levelModule is working in LPCD situation

Putting the card in areas ofthe antennathe module’s INT pin keeps in high power level.

The upper detects high level ,then needs to pull the IO up, themodule comes to normal operation .

 

 

ORDER LIST

Type

Supporting instruction

DQ302

Support

ISO14443Type-A,

MIFARE Classic 1K/4K, FM11RF08, MIFARE Ultralight,MIFARE Ultralight Ccan be used,  ISO14443A CPU

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