The Alpha Communications® / S.T.R.™ TTE33-3 QwikBUS™ Panel Speaker/Microphone units are used with the AlphaEntry™ type systems to provide intercom functions at remote door entry locations, and depending on system configuration, optional electric opener(s) etc.
The powers from associated model# SP333 Intelligent Controller unit(s), does not require any additional power supply unit(s).
The speaker/microphones designed easily mount right behind faceplate in various models of our touchscreen style and/or pushbutton stations.
The also feature a built-in voice volume control potentiometer plug-in connector for connection E32 32 station 2-wire extender(s).
The PC boards treated special chemical finish, minimize affects weather moisture electronic components.
- Easily Installs Lobby Panel
- Operates Safe Low-Voltage Class II Wiring
- Clear Fidelity Adjustable Controls
- Convenient Screw Terminal Connections
- High quality Half-Duplex Communications
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