K-202 GRF two ways audio kit

4+n analogue installation.

Composed of:

• PE-295/2 GRF two push buttons audio door panel.
• M embedding box.
• 2 units of Tekna T-500 telephone with electronic call.
• TF-104 transformer.

Up to 3 telephones in the same villa.

To be used with 12Va.c. lock releases.