Further information for Telecom Behnke BT 25-527 - Door Phone Series 20 "industry standard" (6x horizontally)
Door Phone Series 20 - industry standard (6x horizontal) BT 25-527 Consisting of: - Basic Electronics (for phones with integrated electronics and lighting) - Speaker Modules - Tastwahlblockmodul illuminated - 2 x Button module with 2 call buttons and 2
Construction: aluminum illuminated