The LEM Series is an audio only, hands-free intercom system that supports up to three doors or subs communicating back to one inside master station.

Features
Open voice communication
Push-to-talk at master; hands-free at remote
LE Sub stations; either door station or room sub station
Voice volume control

Specifications
Power Source
6V DC - Use SKK-620A
Communication
Sub calls in with tone, press TALK button to reply, sub called by tone or voice, hands-free as sub (with LEM-3 : LED, 20 sec., depress selector button)
Communication Output
350mW output
Wiring
Door/Sub to master: 2-cond., overall shield
Distance
Door/Sub to farthest master: 650 (22AWG) 1,600 (18AWG)
Wire Type
Aiphone #822202 or Aiphone #821802