RF Intelligence for
Public Safety Communications

When Radios Fail, Lives Are at Risk

Public safety communications are the most critical wireless systems in any community. When a radio fails during an active incident, when a coverage gap leaves responders unable to reach dispatch, when an unexplained interference event blacks out a channel during a mass casualty event — the consequences are measured not in service disruption, but in lives.

Yet most public safety agencies have limited insight into the RF environment their communications depend on. Coverage maps show predicted signal strength. Network management tools show device connectivity. Neither reveals what is actually happening in the spectrum at the physical layer where interference originates and where communications fail.

CLEARSITE™ was built to give public safety organizations exactly this visibility: continuous, protocol-aware monitoring of the RF environment, with the tools to understand, troubleshoot, and continuously improve the communications infrastructure responders depend on.

Key Challenges

  • Unexplained LMR failures during major incidents
  • Coverage gaps in complex, multi-site networks
  • Interference from neighboring jurisdictions, commercial systems, or unknown sources
  • Difficulty validating that coverage and performance match design and procurement expectations

The Public Safety Spectrum Challenge

Green military radar screen with unknown target dot - Safety equipment.

Unexplained LMR Failures

Land Mobile Radio failures during major incidents are more common than agencies want to admit — and more difficult to diagnose than anyone would like. When a channel goes quiet or communications become unreliable, the cause could be interference from a neighboring system, equipment failure, propagation anomaly, or deliberate jamming. Without real-time RF data, distinguishing these causes requires time that active incident response doesn’t allow.

CLEARSITE™ provides the continuous forensic record of RF conditions that enables post-incident analysis and — more importantly — proactive identification of conditions that predict failures before they occur during operations.

Interference from Neighboring Systems

Public safety spectrum is contested. Commercial LTE operators, FirstNet deployments, adjacent-channel industrial systems, unlicensed devices, and poorly maintained legacy equipment all create potential interference conditions for P25, DMR, NXDN, and other LMR technologies.

CLEARSITE™ continuously monitors for interference across all LMR bands, identifies the source and character of interference, and geolocates transmitters — giving agencies the data needed to resolve conflicts with neighboring spectrum users through documented evidence rather than guesswork.

Coverage Validation & Performance Gaps

Coverage maps are modeled predictions, not measurements. Actual RF performance in complex terrain, inside structures, and during high-density events often diverges significantly from predictions. CLEARSITE™ measures actual signal quality — RSRP, RSRQ, SINR — at the physical layer, revealing coverage gaps and performance deficiencies that model-based tools miss entirely.

This is particularly important during planned events — large gatherings, demonstrations, natural disaster response — where communication failure can compound an already difficult situation.

Technology Transitions & Coexistence

Many agencies are managing the transition from legacy LMR to FirstNet broadband, or running parallel LMR and LTE systems during transition periods. CLEARSITE™ supports this complexity — monitoring both technology environments simultaneously, managing coexistence between them, and providing the RF data needed to validate broadband performance before legacy systems are retired.

What CLEARSITE™ Delivers for Public Safety

  • Protocol-aware RF monitoring for P25, DMR, NXDN, TETRA, and other LMR technologies
  • Interference detection, classification, and geolocation for LMR and broadband bands
  • Real-time performance measurement: RSRP, RSRQ, SINR, and coverage validation
  • Forensic replay capability for incident reconstruction and after-action reporting
  • Pre-event RF assessments for mass gatherings, planned operations, and new deployments
  • Coexistence management for parallel LMR/LTE environments and FirstNet deployments
  • Portable field kits for rapid deployment at incident sites or special events
  • Expandable platform: CLEARSITE™ grows with agencies adding RF security and anomaly detection over time

What DGS Delivers

  • Continuous RF monitoring across the airfield, terminal, and perimeter
  • Detection and classification of drone control links and other unauthorized signals
  • RF forensics capabilities for incident reconstruction and investigation
  • RF performance and interference insights to support private 5G, CBRS, and smart airport initiatives
  • Portable kits for fast deployment during special events, construction, or emergencies

From Black Box to Known System

Public safety leaders frequently describe their communications infrastructure as a black box: it works until it doesn’t, and when it doesn’t, nobody knows why. CLEARSITE™ transforms this dynamic. The RF environment becomes a known, measured, managed system — one that agencies understand, can troubleshoot with data, and can continuously optimize.

The outcome is communications infrastructure that agencies can stand behind in front of city councils, county commissioners, and communities: not just an assertion that the system is reliable, but the data to prove it.

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