Further information for Telecom Behnke BT 21-750 - Door intercom phone 3x vertically
			
			Door intercom phone 3x vertically consisting of: - Large basic electronics for phones with integrated electronics (up to 8 RT, TSR 1, 1 LP, 1 MIC, 2 BO, 1 AL, 1 VID, electronics extension possible).  - Electronic enlargement, on which the real functions
  Version: V2A Design