The Alpha Communications® / S.T.R.™ FS1500 QwikBUS™ Series stations are designed to work as an apartment type open-voice intercom station, using a minimal of wiring.
Crystal-Clear Half-Duplex Voice Operation
Easy Installation - Only 2 Common (loop) Wires Required
Eavesdrop Privacy - Inter-Communication capable
Clear Voice Fidelity using Electret Condenser Microphones