Audio only, selective calling, open voice system.

• Power Source: 12V DC - Use PS-1225UL
• Communication: Sub calls in with call-tone and LED 20 sec. Depress the LED selector button, use the TALK/LISTEN to switch. Master calls in with tone or voice (no LED lit), reply hands-free. To call, depress a selector, and call by voice or tone Chime available with BG-10C
• Communication Output: 500mW
• Door release: RY-PA Contact rating: 24V DC, 1A Use 1 RY-PA per door being released
• Wiring: Varies by the system, see instruction manual or contact technical support

Aiphone LEF-10C 10-Call Semi-Flush Mount Master

Aiphone LEF-10C 10-Call Semi-Flush Mount Master Intercom Audio only, selective calling, open voice system. The LEF Series is a selective calling open voice, an audio-only system with the capacity of up to 11 total stations. The system can be designed to meet a wide variety of needs, including any combination of master and substations, up to its maximum capacity.

LEF Hands-Free Selective Call System