This audio only handset intercom system comes in sets of 2 and provides two-way calling and communication.


  • Call button (master) rings all the subs
  • Up to 2 addtional subs can be added (AT-306)
  • Sub rings master only
  • Chime-phone intercom set
  • Battery operated with status indicator LED
Power Source
Use 6VDC2500/1 or 4 “AA” Batteries, 6V DC, 120mA
Communication Press CALL button to ring all subs, pick up any phone, sub rings master only, common talk
Wiring Master to sub: 2-cond., overall shield
Distance 2-station set: 700m(0.65mmØ) 1000m(0.8mmØ). Master to 3rd sub: 400m(0.65mmØ) 600m(0.8mmØ)
Wire Type For distance over 200m, please call Aiphone Pty Ltd.
AE7090220B: 200m Beige Ø0.9mm
AE7090220G: 200m Gray Ø0.9mm
AE7090210B: 100m Beige Ø0.9mm
AE7090210G: 100m Gray Ø0.9mm
Spec Sheet:
Installation & Operation
AT-406-Series - Aiphone UK