Alpha TT212 STR Digital Bus Speaker/Microphone Used with SP300 Intelligent Controller For Digital ‘Bus’ Systems Up To 24 Apt. Stations

The TT212 from Alpha is a ReliaBUS speaker/microphone control module is used with the HT3011 series ReliaBUS handset stations to provide intercom amplification and power to operate the associated intercom system, and certain optional components and/or accessories, such as electric door opener(s) etc. The TT212 is used in conjunction with the SP300 ReliaBUS™ controller. The TT212 speaker/microphone control module is designed to easily mount right onto the plastic speaker/microphone grille in the ‘TT’ and ‘TTM’ series lobby entry intercom panels. The TT212 can accommodate up to 24 of the HT3011 ReliaBUS handsets, when used with conventional push-button type door station(s).

Features

• Easily Installs Right Behind Lobby Entry Panel
• Operates on Safe Low-Voltage Class II Wiring
• Clear Voice Fidelity with Adjustable Voice Volume Control
• Convenient Screw Terminal Connections