2N Telekomunikace 2N Access Unit 2.0 RFID - secured 13.56 MHz NFC (with RJ-45 (9160342-S). With the 2N Access Unit RFID 13.56 MHz product, you save money on cables and maintenance. No more complicated wiring. Our reader also serves as a controller and only needs to be connected to the IP network. You can connect the lock, exit button, and door contact directly to the reader. The reader also supports NFC, allowing you to provide modern users access with their mobile phones instead of cards.