Product Name: 13.56MHz RFID Mini USB RFID Reader Module for Fingerprint Time Attendance with USB, Ttl, Spi Model NO.: CH3 Data Transmission Mode: Serial Frequency: Low Frequency Power Supply Mode: Active Card Application Field: Market Structure: Read-Write Card Label Category: Active Read-Write Method: Non-Contact Type Material: PVC Type: Logic Encryption Card Function: Identification, Payment, Encrypt/Decrypt, Information Dimension: 32*28*3.5mm Technologies: 13.56MHz ISO14443A/B, ISO15693, Felicanfciso18092 Nfc: Mobile Device and Tags Supported Cards: Read Write Desfire EV1, Mifare Plus, Ultralight C Security Level: AES 128bits + 2 Sams Power Consumption: Ultra Low Consumption for Battery-Operated Devices Power Supply: 3.3V and 5V Antenna: 1-2 External Antennas Hardware Interface: USB, Spi, Wiegand, C&D, ABA, Ttl Service: Custom Design Service to Meet Special Demands Trademark: CIVINTEC GLOBAL Transport Package: Well Protection Pakage with Accessory Specification: 32