4220/al two ways audio kit

4220/AL two ways audio kit

Reference: 4220/AL

Product code: 11284220B

EAN code: 8429898015576

4+n analogue installation.

Composed of:

Two push button audio door panel.
✓ CE610 embedding box.
✓ 2 units of Tekna T-500 telephone with electronic call.
✓ TF-104 transformer.

Up to 3 telephones in the same apartment.

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