AC600M2 Aptus Master Controller - Up to 128 doors (readers) - Up to 63 slave boards - 10,000 users - 6 output relays

AC600S2 Aptus Slave Controller - Work with Master Controller - Control 2 doors - 6 relay output

- Non-contact reading of cards - Use Aptus card or proximity card| - Easy to install - Reading range: 12cm