JMY680 series are RFID reader/writer module with IIC or UART serial ports. JMY680 has various functions and supports multi ISO/IEC standard of contactless IC card; the cards from different suppliers. The designer combined some frequent

used command of RF IC card and then user could operate the cards with full function by sending simple command to the module through IIC or UART interface. The module and antenna are integrated design. And the impedance between RF module

and antenna was tuned by impedance analyzer. So the module has excellent performance and stability.

Qualifications:
PCD: NXP RC500, RC531, RC400, RC632
Working frequency: 13.56MHz
RF standard: ISO14443A, ISO14443B, ISO15693
Operating distance: 80mm(depending on card and antenna design)
Anti collision ability: Full function anti collision; be able to process multi-cards simultaneously; be able to set operate single card only
Auto detecting card: Supported, default ON
SAM card slot: 1 slot, 9600bps /38400bps
EEPROM: 512 Bytes
PPSS set: Supported
Interface: IIC, UART, RS232C or USB to RS232C Bridge(select when place order)
Communication rate: IIC--400Kbps; UART--19.2Kbps/115.2Kbps
Max.command length: 511 Bytes
Interface level: 3.3V (TTL level; 5V tolerance)
Power supply: 5.0V
Power consumption: 150mA
Dimension: 70mm*50mm*16.5mm
Weight: about 120g
Operating temperature: -25 ~ +85 centigrade
Storage temperature: -40 ~ +125 centigrade
ISP: Supported
RoHS: Compliant