ETS SMI-3 2 Zone Audio Surveillance Kit

ETS SMI-3 2 Zone Audio Surveillance Kit

The ETS SMI-3 2 Zone Audio Surveillance Kit is 2 channels, one way, pre-amplified microphone “listen in″ surveillance kit designed to be used in applications where an audio amplifier (speaker) is not needed or is already provided in CCTV monitors or a DVR. It provides a convenient way of supplying power to the SM1s, installer friendly termination of the cable runs and a standard RCA or 3.5mm audio output connectors. It easily connects to recording equipment such as DVRs, I/P cameras, time-lapse VCRs and audio recorders. Note the audial output signal of the kit is “line level″ (0dbm).

The SMI-2 interface box is designed to be located next to a DVR or I/P camera. The SMI-2 requires a 120VAC power source within 3 feet of its location. If this is not possible in your application, you can splice in up to 100 feet of 20 awg, 2 conductor cables to extend the distance between the AC power source and the SMI-2. The SM1 should be placed at least 5 feet away from the subject(s) to be monitored. The ETS SMI-3 2 Zone Audio Surveillance Kit is still useable in the range of 15-25 feet but is dependent on the level of background noise in the areas. Experimentation in the environment will determine what distances work best.

Key Features:

• Omni-Directional: 25' pickup pattern
• Frequency Response: 200 Hz-16 KHz
• Flush Mountable: can be mounted on a single gang electrical box
• Euro-Style Connectors: makes cable terminations fast and clean
• Power: 12VDC
• Adjustable Gain: in both volume ranges

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ETS