ARCHITECTS' AND ENGINEERS'
The color video-intercom monitor station(s) shall be Alpha
Communications®/S.T.R.™ QwikBUS™ VHC3033-2 series,
2-wire type or approved equal. Monitor(s) shall be mounted
surface (or desktop using optional model TZ30x series adaptor).
Monitor(s) shall include a high quality 4.0" color LCD screen.
Monitors using mirrors or other non-flat type screens, or coaxial
cable shall not be acceptable. Monitor(s) shall feature front
mounted controls for brightness, contrast and horizontal hold
Monitor handset shall feature electret condenser microphone for
exceptional voice fidelity. Handsets that include carbon trans-
mitter or other voice technologies shall not be acceptable.
Handset shall have a textured finish and flexible coiled cord.
Handset shall include a door release (KEY SYMBOL) button.
Push button shall be clearly visible and shall be marked in a
different color. Handset shall feature an electronic chime signal,
with a 2nd chime sound for optional private door bell signaling.
Monitor shall be in White (#VHC3033-2W), Anthracite
(#VHC3033-2A),or Titanium (#VHC3033-2T),finish, as se-
lected by architect or building owner/manager.
Contractor shall observe all local and national electrical and
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TOLL-FREE 1-800-666-4800 • Web: www.AlphaCommunications.com • Email: firstname.lastname@example.org
The AlphaCommunications®/S.T.R.™ VHC3033-2 Qwik-
BUS™ series 2-wire color monitors are designed to meet virtu-
ally any requirement for video-intercom security, while not
requiring any riser coaxial cabling, or any selective (home-run)
These attractive monitors are conveniently surface mounted
right on the wall. Monitors can be changed to desk mount with
the addition of an optional model TZ30x series desk adaptor.
All VHC3033-2 series QwikBUS™ monitors feature a