The AC-S73 is an autonomous PIN and Proximity controller for up to 500 users.

• Two-way safe communications with Rosslare’s intelligent secure power supplies
• Built-in 125 KHz ASK EM Proximity card reader
• Internal buzzer provides audible feedback to the interface
• Two interface LEDs
• Three user levels and three operating modes
• Highly sensitive optical tamper protection on back side and housing
• Blocking on wrong entries (Keypad/Card Tab)
• Timers for programmable lock release times for locks, sirens and alarms
• Programmable PIN length from 4 to 8 digits