AT-406 Series


This simple intercom system comes with 2 handset intercom stations that provide 2-way calling and communication.


Freakishly Reliable

Aiphone is proud to be a rare, two-time winner of the prestigious Deming Prize for quality management and manufacturing processes. Our ISO Certified process and rigorous standards result in some of the most reliable products in the industry. Aiphone products routinely last for years, only being replaced when the application outgrows the system capacity.

System Capacity
Sub Stations
Master Stations
  • Master station calls all connected sub stations
  • Sub stations call the master station
  • Powered by 6V DC or 4 AA batteries
  • Up to 2 additional sub stations can be added (AT-306)


Power Source

6V DC – use SKK-620C or 4 AA batteries


Handset (full-duplex)

Wire Type

Master Station to Sub Station: 2-cond., overall shield – use Aiphone #822202


2-Station Set: 2,300'(22AWG), 5,250'(18AWG)
Master Station to 3rd Sub Station: 1,350'(22AWG), 3,100'(18AWG)


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