... 56MHz Reader moduleCN3XX(S)(T)-X Plug & Play OEM reader module supports 13.56MHz technology, including ISO14443A/B, Mifare, DESFire EV1 ... tuner to adjust reading distance as optional.Customized service on module and antenna (size, position, etc) is available on request ... product series for second development. It includes API, Host Demo, user manual, USB driver and program example. It s developed by C ...