The USB-B1 v2 is a low cost full RFID/NFC read/write device with USB interface that can operate in "host" connected mode or "stand alone" mode. Supports Mifare Classic 1k & 4k, NTAG2xx and Ultralight. Additionally, you can read serial numbers from Mifare Plus and Mifare DESfire. The USB-B1 is based on our RFID-B1 module but is equipped with an additional integral antenna, an LED for tag in the field indication/ interrupt, mounting holes and flexible plated connection holes. The USB-B1 is an ideal choice if the user wishes to add RFID capability to their design quickly and easily.