2N AU2.0 READER BLUETOOTH RFID 125KHZ 1356MHZ NFC SECURED PICARDAX9160346 S 2N ACCESS UNIT 2. 0 BLUETOOTH & RFID Stay flexible. Traditional and modern method of access control in a single reader. The 2N Access Unit 2. 0 Bluetooth & RFID reads both frequencies of RFID cards 125 kHz and the smart 13. 56 MHz. The users can also authenticate with their mobile phone. All they need to do is switch on Bluetooth and install the 2N Mobile Key application. They can leave their phone in their pocket and simply tap the