Product Specification Sheet APS408

Rev. 07/2013

BBD905 Steel/Aluminum Desk Back Box/Housing

This Specsheet is for a product which is discontinued. Please contact us for alternative products.
Architects' And Engineers' Specifications
The desk top back box(es) shall be Alpha Communications®/Ring model BBD905 or approved equal. The BBD905 shall be made of steel and aluminum, and finished in a Black vinyl texture. The BBD905 shall have removable aluminum sides, enabling several units to be ganged together, if required.

The BBD905 shall be able to be used either horizontally or vertically, depending upon user preference. The BBD905 shall be provided with four (4) 7/16" peel and stick rubber feet, to prevent marring of the table tip surface, and to prevent slippage of the equipment.

Contractor shall observe all local and national electrical and building codes.

BBD905 Desk Mount Steel/Aluminum Back Box

The Alpha Communications® model BBD905 is a back box designed for surface mounting on a table or desk. Depending on personal preference, the BBD905 back box can be used for either horizontal or vertical mounting of various Ring stations and/or apparatus.

Two (2) one-half inch electrical knockouts are provided for various mounting positions. The BBD905 is painted in a Black vinyl texture to resist marring. Removable aluminum side panels allow for ganging multiple boxes together. The side panels are made of 1/8" (.125") aluminum and are screwed to the housing, which is 18 gauge (.047"), spot welded construction, cold rolled steel.

The BBD905 comes with four (4) 7/16" peel and stick rubber feet, to prevent marring of the table tip surface, and to prevent slippage of the equipment.

  • Simple, pullcord operation
  • Easy installation
  • Advanced design
  • Automatic privacy
  • Clear voice-quality
  • Precision-engineering

All Dimensions from finished desk surface - not including mounted equipment

Height: 6.85" (174mm) 
Width: 5.85" (149mm) 

Depth: 11.63" (296mm)
Height: 11.63" (296mm) 
Width: 5.85" (149mm) 

Depth: 6.85" (174mm)
Alpha Communications
42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: (631) 777-5500 • Fax: (631) 777-5599
TOLL-FREE: (800) 666-4800 • Web: • Email:
Copyright© 1998-2020 Alpha Communications® - All Rights Reserved.
Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.