Digital 2-wire Intercom module in rugged build-in housing with new DSP-technology, incl. electret microphone MIC 480. Possibility of connecting 2 buttons. One input for floating contacts. Output contact for direct connection of a door opener. With integrated loudspeaker (8 Ohm).
Benefits:
• Crystal clear 16 kHz speech quality for optimum intelligibility
• Cabling with 2 wires, star feed, fully digital transmission of speech and data
• DSP-technology, prepared for software download of future functions
• Audio-Monitoring, adjustable integration time/noise level
• Loudspeaker-/Microphone-Surveillance
• MIC 480 microphone included in extent of supply
• Integrated amplifier with 2.5 W output
• Output contact for direct connection of e.g. doors or gates
• Connection of 2 buttons
• ET 871A: integrated loudspeaker (8 Ohm)