Product Specification Sheet APS664

Rev. 07/2013

4780 Color Open-Voice SimpleBUS2 Video-Intercom Monitors

This Specsheet is for a product which is discontinued. Please contact us for alternative products.

Shown with 4782 Desk Mount Adapter

Architects' And Engineers' Specifications

The open voice color video-intercom monitor station(s) shall be Alpha Communications®/Comelit SimpleBUS2 model 4780or approved equal. Monitor(s) shall be mounted surface (or desktop using optional model 4782 adapter). Monitor(s) shall be connected using only two (2) looped 'common' wires (twisted or un-twisted) and shall not require any selective (point) wires or coaxial cabling. Monitor(s) shall include a high quality 3.5" color LCD screen. Monitors using mirrors or other non-flat type screens, or coaxial cable shall not be acceptable. Monitor(s) shall feature built-in speaker and electret condenser microphone for exceptional voice fidelity. Monitor shall include one (1) voice on/off switch, one (1) door release button and 4 (four) buttons for optional features. Monitor shall feature a choice of seven (7) user selectable call tone melodies. Monitor shall be in ABS plastic and Aluminum finish and shall only protrude from the wall 1.50" inches (39mm).

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

4780 Open-Voice COLOR Video-Intercom Monitors

The Alpha Communications®/Comelit 4780 SimpleBUS2 series 2-wire open voice color monitors are designed to meet virtually any requirement for video-intercom security, while not requiring any riser coaxial cabling, or any selective (home-run) wiring, without the use of an intercom handset.

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 4782 desk adapter.

All 4780 series SimpleBUS2 open voice monitors feature a crystal clear 3.5" color LCD flat screen monitor (measured diagonally), built-in open voice speaker/microphone, choice of 7 user selectable call tone melodies, 1 momentary voice on/off switch, 1 momentary door release button switch and 4 auxiliary switches for optional functions.

  • 3.5" (diagonal) Crystal Clear Color LCD video screen
  • No riser coaxial cabling required - uses only 2 looped wires twisted or un-twisted
  • Convenient Half-Duplex Voice Loudspeaking Operation
  • Easy Installation (surface or optional desk)
  • Rugged and Reliable. Simple to Operate
  • Very low profile monitor protrudes only 1.50" from wall
  • ABS plastic and Aluminum finish
All 4780 series monitors are 10.25"W (261mm) x 5.00"H 127mm) x 1.50"D (39mm). All dimensions shown are outside dimensions for the surface type monitor.
Desk Adaptor:
Model 4782 (White). Use in addition to the monitor unit. OPTIONAL.
Wall Plate:
Model 4784/I Allows the monitor to mount to the finished wall surface. One (1) required for each 4780 monitor.

Alpha Communications
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.