Intercom System

The TMM-441 Touchscreen Master Module from Harding Instruments was designed for use with the company’s DXI and DXL correctional intercom systems. The TMM-441 is a compact desktop unit that provides a speaker with volume control, a gooseneck or flush mount microphone, a push-to-talk switch with contacts for an external footswitch, and a front-mounted headset jack.

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