Restricted Access Single Door Access control DTX-2300 Single Door Stand-Alone Proximity Reader/Keypad Access control with tailgate detection AT-5200 with DTX-2300 Tailgate Detection System With Single Door Stand-Alone Proximity Reader/Keypad Delayed Egress With Latch Retraction EE ER Delayed Egress With Latch Retraction Pairs of Doors (without center mullion) Access control DTX-2300 Single Door Stand-Alone Proximity Reader/Keypad Access control with tailgate detection AT-5200 with DTX-2300 Tailgate Detection System With Single Door Stand-Alone Proximity Reader/Keypad Delayed Egress With Latch Retraction EE ER Delayed Egress With Latch Retraction Pairs of Doors (with center mullion) Access control DTX-2300 Single Door Stand-Alone Proximity Reader/Keypad Access control with tailgate detection AT-5200 with DTX-2300 Tailgate Detection System With Single Door Stand-Alone Proximity Reader/Keypad Delayed Egress With Latch Retraction EE ER Delayed Egress With Latch Retraction