Aiphone LEF-3L 3-Call Surface Mt Master W/Sel Door Release

Aiphone LEF-3L 3-Call Surface Mt Master W/Sel Door Release Aiphone Intercom LEF-3L 3-Call Surface Mt Master W/Sel Door Release 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 Audio only, selective calling, open voice system. Has 3, 5, and 10-call masters and you can intermix the system with any number of masters and subs to maximum security. 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: