Further information for Telecom Behnke BT 26-855 - Door Phone Series 20 "industry standard" (4x horizontally)
Door Phone Series 20 - industry standard (4x horizontal) BT 26-855 consisting of: - Basic Electronics (for phones with integrated electronics and lighting) - Back plate for 1 expansion module - Speaker Module - Tastwahlblockmodul illuminated - Fu
Design: Design V2A lighted