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The white AT-306 Additional Sub Unit from Aiphone is used with the AT-406 Indoor Handset-To-Handset Audio-Only Intercom System. The AT-306 receives and places calls to and from the master handset (AT-206). Communication is through the handset. Up to 2 additional sub units can be added to the system. The AT-306 can be powered by 4 AA batteries or a 6VDC power supply (both not included).
Suitable for communication in RVs (cab-to-camper), boats (deck-to-cabin), Limousines (chauffer-to-back seat), restaurants (kitchen-to-bar)
Electronic call tone (not adjustable)
Front loading batteries
Battery or DC powered
In the Box
Aiphone AT-306 Additional Sub Unit for AT-406 Handset-To-Handset Intercom System (White)
Pack of Screws
Limited 1-Year Warranty on Parts & Labor
Table of Contents
6 VDC, 120 mA; 0 A standby
SKK-620 in USA or PS-GD, or 4 x SUM-3 (AA) batteries
Do not use DC power supply when the batteries are installed.
Common talk system with handset
2 wires parallel, non-polarized
With 22 AWG (0.65 mm Ø) Wire: 2,300' (700 m)
With 18 AWG (1 mm Ø) Wire: 5,250' (1,600 m)
With 3 AT-306 Subs:
With 22 AWG (0.65 mm Ø) Wire: 1,350' (400 m)
With 18 AWG (1 mm Ø) Wire: 3,100' (940 m)