Spec Sheet Preview: The Alpha Communications® / S.T.R.™ VFS35 QwikBUS™ Series stations are designed to work as an apartment type open voice video-intercom station, using a minimal of wiring. All VFS35 stations in a building can be wired on only two (2) common (loop) wires! The QwikBUS™ system can support hundreds of VFS35 stations on a single system. These attractive and trim stations easily surface mount right on the finished wall. All VFS35 series QwikBUS™ stations can be inter-mixed with the VFS1000 and/or VHC3033 series QwikBUS™ video-intercom monitors.