The DTSM3B is a speaker/microphones are designed to be used with digital-dial modular series door entry stations. Used with the 2-wire (loop) type ReliaBUS apartment handsets (i.e. HT3011, HT2011) only. Speaker/microphone modules feature a weather-resistant speaker, long-life electret condenser microphone, illuminated drycontact low voltage light push-button and plug-in connector or easy wiring. Speaker/microphone modules are 3.94"w x 3.94"h (100mm x 100mm), and are made to snap into the modular panel trim frame(s).
|Connection Method||Multi-Wire Digital Systems|
|Intercom Type||Audio Intercom|
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