Bell Systems 440 Audio, video or keypad entry

Technical Specification

  • Make: Bell Systems
  • Model code: 440
  • Door/ Phone Ratio: 2:1 or 2:2
Additional info:

2 amp

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Make Bell Systems
Manufacturer Bell System (Telephones) Limited
Model code 440
Door/ Phone Ratio 2:1 or 2:2
Additional info 2 amp
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