Aiphone - AT-406B/A HANDSET MASTER & SUB

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Handset-to-Handset System, Charcoal Gray (AT-206B, AT-306B) Features Set includes one AT-206B master and one AT-306B sub station Call button on master rings all sub stations Power supply or battery powered Sub stations(s) ring at master only Up to two additional sub stations can be added (AT-306B) Specs Communication Handset (full-duplex) Wire Type Master Station to Sub Station: 2-cond., overall shield - use Aiphone #822202 Distance 2-Station Set: 2,300'(22AWG) 5,250'(18AWG)Master Station to 3rd Sub Station: 1,350'(22AWG) 3,100'(18AWG) Show more