1.NFC Reader module 2.Support contact & contactless smart card 3.RS485,USB, TTL, Wiegand, Clock & Data, ABA, SPI, I2C CN3XX( ... tuner to adjust reading distance as optional.Customized service on module and antenna (size, position, etc) is available on ... without notice. Further Application DevelopmentCNReader SDK is software development kit worked with CN3XX and CN6XX product series for second ...