MCM Electronics

Covert Omni-directional Pre-amplified Smoke Detector Microphone By Electronic Tech Services (SM1-SD) MCM Part #82-20815

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$49.99 

Covert Omni-directional Pre-amplified Smoke Detector Microphone

High performance, omni-directional, pre-amplified microphone for fixed location security applications. Covert housing designed to appear like a smoke detector. 25’ pickup pattern in all directions. Built-in limiter circuit automatically lowers the output level during loud sound intervals. Selectable lo-cut and hi-cut filters significantly reduce background noise. Ivory ABS enclosure Mounts on any flat surface.
note: It is the responsibility of the installation company and end user to install this audio surveillance equipment in compliance with state and federal privacy laws. If you are unfamiliar with these laws, consult a qualified attorney

Specifications Top

Features:
  • Omni-directional 25’ pickup pattern
  • Low noise MOSFET pre-amplifier
  • 500Hz-13Khz Frequency response
  • Jumper selectable hi-cut/low-cut filters limit frequency response to 900-6khz significantly reducing background noise
  • Jumper selectable volume range: "Line level" (0db) or "Microphone level" (-30db)
  • Adjustable gain in both volume ranges
  • 100 Ohm unbalanced output
  • Internal peak limiter circuit (.5 sec response)
  • 3 position Euro-style connector makes cable termination fast and clean
  • Reverse polarity protected
  • Power: 12 to 24VDC @ 10mA
  • On-board voltage regulator and RFI filtering
  • S/N ratio: more than 60DB
  • Sensitivity –45DB
  • Industrial temperature range –40 to 105C
  • Swivel type mounting bracket
  • Dimensions: L 3.5” W 2.1” H 2.6”
  • Weight .09lbs

  • Part Numbers
    MCM Part #:82-20815
    Electronic Tech Services Part #:SM1-SD
    Package Specifications & Dimensions
    Weight:0.1875 lbs.
    Hazardous:No
    RoHS Comp:Yes
    Warranty:30 days
    Need to Return?
    Length:4.5 in.
    Width:4.5 in.
    Height:2 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No

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