Product: GT1A

Features: The GT1D is used to communicate with a person at a GT entrance panel. 

The unit features a large Push-to-Talk button

Door release button 

Up to 500 stations can be used in a system.

Product: GT1D

Features: The GT1D is used to communicate with a person at a GT entrance panel. 

Door release button 

Up to 500 stations can be used in a system.