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AT-406: Handset-to-Handset System
This audio only handset intercom system comes in sets of 2 and provides two-way calling and communication.
Features »
  • 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
Specifications »
Power Source

Use SKK-620A 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: 2,300’(22AWG) 5,250’(18AWG). Master to 3rd sub: 1,350’(22AWG) 3,100’(18AWG)

Doors/Subs/Horns to master: 490’(22AWG) 1,200’(18AWG)

Wire Type

Aiphone #822202

AT-406: Handset-to-Handset System
This audio only handset intercom system comes in sets of 2 and provides two-way calling and communication.
Component List
AT-406
Handset Set Set containing a master and sub handset. Handsets are white in color and can call and communicate with each other. System can be powered by either a six volt DC power supply (SKK-620) or by using 4 AA batteries. System requires two wires between handsets.
AT-406B
Set containing a master and sub handset. Handsets are charcoal gray in color and can call and communicate with each other. Coil cord on each unit is 4'. System can be powered by either a six volt DC power supply (SKK-620) or by using 4 AA batteries. System requires two wires between handsets.
AT-306
Handset Sub handset from AT-406 set. The AT-306 receives and places calls to and from the master handset (AT-206). Communication is through the handset.
SKK-620C
6V DC 200mA UL listed power supply. 110V input.
Features
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
Specifications
Power Source

Use SKK-620A 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: 2,300’(22AWG) 5,250’(18AWG). Master to 3rd sub: 1,350’(22AWG) 3,100’(18AWG)

Doors/Subs/Horns to master: 490’(22AWG) 1,200’(18AWG)

Wire Type

Aiphone #822202

Literature