Description of DQ311
1 SUMMARY
DQ311, an IC cards read and write module designed by small size, low power check card (LPCD) and easy operation. This RFID module supports MIFARE™ Classic 1K, MIFARE™ Classic 4K, MIFARE Ultralight™, Ultralight or MIFARE Ultralight C.
The module and antenna is integrated.Easy to use,safety to opreate, It has various functions and terms multi ISO/IEC standard of contactless card.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.You can choose anti-interference design stable reading and writing card in metal environment to customization
2 FEATURES
Computer interface |
|
Interface |
RS232C (4800, 9600,19200, 38400, 57600,115200) |
Power supply |
5V(±5%),Lowest to 4.85V |
Power consumption |
Max 120mA |
Contactless smart card interface. |
|
Termsed standard |
ISO14443 TypeA |
Standardof contactless card |
ISO14443A:MIFARE Classic 1K/4K, FM11RF08, MIFARE Ultralight \ MIFARE Ultralight C (can choose supporting this ) ISO14443A CPU |
Working frequency |
13.56MHz |
Operating distance |
0-80mm(depending on card quality) |
Human-Computer Interface |
|
Buzzer |
One tone |
Dimension |
70mm*50mm*7.5mm |
stand by |
Support low power check card(open by confirmed) |
Environmental requirements |
|
Operating temperature |
-25~+85℃ |
Storagetemperature |
-40~+125℃ |
3 PICTURES
Product Pictures
Product size(unit-mm)
3.1 PINNING INFORMATION
PIN |
SYMBOL |
DESCRIPTION |
1 |
GND |
Grnd |
2 |
VCC |
Power supply ,3.3V(±5%) |
3 |
INT |
I/O, Low power level to low power check card, with card output high level. |
4 |
RXD |
UART_RS232C |
5 |
TXD |
UART_RS232C |
6 |
SDA |
RFU |
7 |
SCL |
RFU |
4 LOW POWER CHECK CARD
Keepping INT pin in high level or dangling situation,Module is normal working;
Using externalIO,put INT pin in low power level,Module is working in LPCD situation;
Putting the card in areas ofthe antenna,the 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 .
5 ORDER LIST
Type |
Supporting instruction |
DQ311A |
Support ISO14443A, MIFARE Classic 1K/4K FM11RF08 MIFARE Ultralight MIFARE Ultralight C(can be used) ISO14443A CPU |