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Speaker Microphones


Revo NC2

The Revo NC2 features a revolutionary patented noise-canceling (NC) microphone for optimum voice clarity even in high-noise situations. The compact, tapered design is built for rugged conditions including public safety applications and harsh industrial environments. 

  • Top-mounted microphone cancels out the surrounding noise to ensure transmissions can be clearly heard. 
  • Built-in debris screen protects internal components to keep dust and dirt from impacting transmission clarity. 
  • Optional emergency button available for selected radio models.
  • Ergonomic slim profile is comfortable to use and wear
  • Rotating clip design offers excellent retention
  • Immersion rated, fully sealed per IP68 standard: tested to withstand submersion in 1 meter of water for 31 minutes
  • Built-in debris screen
  • Optional emergency button
  • Large PTT is easy to find by touch, even when wearing gloves
  • High/low volume switch is unobtrusive and intuitive
  • Sealed 3.5mm earphone jack included for discreet listening with earphone kits (2.5mm for Harris models)

Revo NC-2 (OSM-2)
U.S. Patent No. D743,950
U.S. Patent No. 9,386,368

  • BK Technologies
  • E.F. Johnson
  • Harris
  • Hytera
  • Sepura
  • Vertex/Yaesu
  • Relm
  • ICom
  • Kenwood
  • Motorola

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