Str Qwikbus Panel Speaker/Mic.. Use With Qwikbus Series Units Requires T1240 Transformer- Has Matrix For 1St 24 Buttons
Spec Sheet Preview: The Alpha Communications® / S.T.R.™ TT33-3 QwikBUS™ Panel Speaker/Microphone units are used with the S.T.R.™ QwikBUS™ systems to provide intercom functions at remote door entry locations , and depending on system configuration, optional electric door opener(s) etc. The TT33-3 powers from the associated model# SP333 QwikBUS™ Intelligent Controller unit(s), and does not require any additional power supply unit(s). When used with conventional pushbutton type door entry stations where electric door release is required, t …