Further information for Telecom Behnke 20-0005 - Behnke Basic Electronics (for remote installation)
			
			Basic electronics for remote mounting distance (up to 25 m cable length)
  - Universal housing (steel anthracite) with integrated speakers and connection board door.
  - For up to 8 call buttons, 1 keypad, 1 speaker, 1 microphone.
  - With 2 relays, 1 alarm input, 1 video output.
  - Large cabinet with space for electronics features, including voice announcements, real time clock display (up to 50 cm distance), etc.
  - Dimensions (H x W x D): 240 x 160 x 80 mm.
  Electronics:
  - Connection to analog extension or connection of a main analogue telephone system.
  - Full duplex telephone.
  - Power supply via a / b line.
  - 1 watt booster amplifier integrated (12 V DC power supply is required).
  - Electronically adjustable volume.
  - Built-in heater (12 V DC power supply is required).
  - 2 potential-free contacts with various switching functions contain (eg door opener).
  - Sammelruffunktion / redial.
  - Programmable via telephone with tone dialing (DTMF) or buttons on the board.
  - Door opener from inside via DTMF dialing.