Radio Frequency Interference Mitigation (RFIM) is a comprehensive two-day, hands-on course that will give you all of the necessary skills in order to find and correct RF signal interference. The class begins with basic theory of LMR and test equipment and concludes with hands-on applications of everyday problems found in the field. Designed to include beginners as well as senior-level technicians and engineers, THIS COURSE GOES BEYOND INTERFERENCE HUNTING!

Discussions will include:

  • Radio Fundamentals
  • Test Equipment Fundamentals
  • Common and Uncommon types of RFI
  • Decibels
  • Propagation Anomalies
  • Causes
  • Measurements and Cures
  • Intermodulation
  • Equipment, Filters, Antennas, and other Fixes
  • Blanking
  • Capture
  • Prevention
  • Safety

Hands-on exercises will include:

  • Set-up, Calibration and Testing Fundamentals
  • Constructing RFI Detection Devices
  • Locating RFI with Service Monitors and Spectrum Analyzers
  • Effective Sensitivity Receiver Measurements
  • Discovering Blocking / Desense Situations
  • Tuning Cavity Filters
  • Measuring Harmonics
  • Practicing Direction Finding Techniques
  • Hunting for Power Line Noise and Applying Resolutions

CDEs earned: 16
Industry certification is available upon request for an additional $105 fee

Tuition: $1,000

Tuition for live courses does not include travel, lodging, meals or other costs.

Venue: APCO International, 351 N Williamson Blvd, Daytona Beach, FL 32114-1112


APCO reserves the right to cancel this course if class capacity is not met. Registrants will be notified by May 1, 2026 if the event will be cancelled and full refunds will be provided.

If you have any technical questions about this course contact IWA Technical Services at [email protected] or (844) 492-8324.