GT-1D

The Aiphone GT-1D is an audio-only handset tenant station for GT Series multi-tenant video intercom systems, providing private duplex communication for apartments in large residential complexes.
It features dedicated buttons for door release, guard/concierge calls, and secondary option triggers (N/O contact for lights/devices), with call tone volume control and support for up to 4 units per tenant location.
Key Specifications
Feature
Specification
Communication
Handset duplex (privacy) ​
Power
24V DC from GT-BC controller ​
Mounting
Surface/wall mount ​
Capacity
Max 4 GT-1D per tenant (audio-only system up to 100) 
Wiring
2-conductor PE insulated ​
Dimensions
200 × 90 × 64 mm (7.9" × 3.5" × 2.5") ​
Weight
330 g (11.68 oz) ​
Compatibility
GT Series entrances/guards (up to 500 tenants) ​