1.RoHS,CE,FCC compliant 2.RS232/RS485/TTL/USB ... module RDM880 from Original Manufacturer Typical Applications:1.Access control application2.Advanced public transportation3. ... E-tickets, Product Anti-forgery, Transit one card system,etc. Parameter Frequency13.56MHzChipsMFRC500,MFRC400,MFRC531, ... Mifare One Ultralight; MifareOneS70;I-code2; TI RFID Tag-it HF-I,EM4135,EM4034InterfaceRS232,RS485,TTLPower ...