|Dimensions:||All VFS35 series stations are 4.22"W (108mm) x 6.00"H (153mm) x 0.80"D (21mm). All dimensions shown are for the surface wall type station.|
The 2-Wire open voice video-intercom station(s) shall be Alpha Communications® / S.T.R.™ QwikBUS™ VFS35 in White color. Station(s) shall be mounted surface (standard). Station(s) shall feature electret condenser microphone for exceptional half-duplex voice fidelity (requiring no pressing of any Talk or Listen buttons).
Monitor(s) shall include a high quality 3.5" color video screen (measured diagonally). Monitors using mirrors or other non-flat type screens, or coaxial cable shall not be acceptable. Monitor(s) shall feature controls for brightness, contrast and horizontal hold.
Stations that include simplex type or other voice technologies shall not be acceptable. Station shall include a Voice On and Door Release. Station(s) shall include a built-in (user selectable) electronic call tone signal. Station(s) shall require only two (2) common (loop) wires for system operation.
Contractor shall observe all local and national electrical and building codes.