Intelligent RF Detection & Radio Frequency Monitoring

Real-Time Wireless Threat Detection Powered by Bastille

Bastille delivers a powerful enterprise-grade radio frequency (RF) detection platform that continuously monitors your airspace for wireless threats. Using advanced software-defined radios (SDRs), Bastille provides real-time RF detection, geolocation, and mitigation of unauthorized wireless activity.

With 100% passive monitoring, Bastille’s solution offers unparalleled visibility into the radio spectrum, identifying hidden threats that traditional tools miss.

What is RF Detection & Why Does It Matter?

RF detection is the process of identifying when a device sends a wireless transmission by detecting signal power on a frequency. RF detectors may also identify and analyze electromagnetic emissions from wireless devices. In enterprise environments, this technology fills a crucial security gap that traditional physical and network-based tools overlook. Threat actors increasingly exploit wireless vectors (rogue cellphones, keyloggers, hidden hotspots, etc.) to infiltrate secure spaces or exfiltrate data.

A radio frequency detector continuously scans for wireless signals within its range. It captures transmissions from any RF-emitting device, regardless of protocol or manufacturer. For enterprises handling sensitive data or operating in high-security environments, RF detection provides an essential layer of protection against invisible threats.

What is RF Detection & Why Does It Matter?

How RF Detection Works: Detecting Wireless Threats with Advanced RF Detector

What Do Radio Frequency Detectors Do?

Radio frequency detectors operate by identifying if RF emissions from electronic devices occur at a particular frequency. However, while detecting the presence of a device has some utility, it’s not particularly helpful for security teams if they can’t locate the device quickly. Bastille’s intelligent RF monitoring can identify, classify, and localize wireless threats, making it a more effective solution for wireless security.

Bastille utilizes SDRs to monitor a broad spectrum (100 MHz to 7.125 GHz), encompassing Wi-Fi, LTE, 5G, Bluetooth, Zigbee, and other technologies. Once the platform detects a transmission, it uses signal characteristics and transmission metadata to identify the device emitting the signal. The system identifies device type, communication protocol, and behavioral patterns, differentiating between sanctioned and unauthorized equipment. Handheld spectrum analyzers or periodic scans provide similar visibility, but it is very coarse compared to Bastille’s solution, lacking any kind of device identification or behavior analysis.

Bastille’s real-time detection architecture enables persistent awareness across all wireless environments. However, where Bastille goes beyond merely detecting the signal is the advanced processing the platform does to accurately locate the device to within 1-3 meters of accuracy.

What Do Radio Frequency Detectors Do?

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Key Benefits of Bastille’s Radio Frequency Detection

24/7 Visibility

Maintain continuous insight into wireless activity across your facilities.

Threat Detection & Response

Quickly identify and respond to rogue devices, policy violations, and insider risks.

Regulatory Compliance

Meet security mandates for federal, financial, healthcare, and critical infrastructure sectors.

Security Stack Integration

Extend the value of existing tools (e.g., video surveillance, access control) by adding wireless situational awareness.

Reduced Insider Threat Risk

Detect and deter unauthorized devices introduced by employees, contractors, or visitors.

Why Bastille’s Intelligent Wireless Threat Detection Surpasses Legacy RF Scanners

Legacy RF detection scanners and handheld analyzers offer limited monitoring capabilities for the RF spectrum. These tools rely on manual operation and detect only the presence of power in a frequency band. Without context or persistent oversight, they leave organizations vulnerable to undetected threats and cannot analyze wireless activity in real time.

Bastille’s intelligent, always-on platform delivers a significant advancement in wireless security through automated threat detection and continuous signal analysis:

Comprehensive Visibility: Bastille monitors the entire wireless spectrum in real time, supporting the rapid identification and localization of wireless devices and threats.

Advanced Threat Detection: High-fidelity signal analysis and intelligent device classification enable the early detection of anomalous or malicious activity, enhancing threat response.

Operational Efficiency: Bastille automates detection and device location, delivering real-time alerts that reduce reliance on manual investigation and accelerate incident response.

By replacing manual tools with intelligent, real-time wireless analysis, Bastille empowers organizations to eliminate security blind spots and respond rapidly to RF-based threats.

Why Bastille’s Intelligent Wireless Threat Detection Surpasses Legacy RF Scanners

Technical Overview

Software-Defined Radios (SDRs) – Tunable, adaptable RF capture across all enterprise bands

Machine Learning Models – Continuously trained to recognize evolving threats and signal types

Integration APIs – SIEM, SOAR, XDR, ticketing, access control, mobile device management (MDM), and other security solution workflows via documented APIs

Deployment Models – Available as cloud, hybrid, or fully on-premise solutions

Technical Overview

FAQs About Radio Frequency Detection

What is an RF detector?

A system that captures radio frequency emissions to detect wireless devices and activity.

How does Bastille detect threats others miss?

Through continuous passive monitoring, wideband coverage, and machine learning-driven signal classification.

Is continuous monitoring necessary?

Yes. Threats can appear briefly and at any time. Only constant RF monitoring provides full situational awareness.

Can Bastille locate devices physically?

Yes. Bastille estimates the position of RF-emitting devices using signal analytics.

Is the system passive or active?

Bastille’s system is 100% passive (FCC-certified); it listens to the environment without emitting any signals.

What is an RF detector used for?

An RF (radio frequency) detector is a device used to identify and measure the presence of RF signals within a specified frequency range. Organizations often deploy these detectors in environments where monitoring for unauthorized or unexpected wireless transmissions is critical, such as in data centers, government facilities, corporate offices, or secure laboratories. Their primary function is to help identify and localize sources of wireless activity, including potentially rogue or non-compliant devices.

What sets off an RF detector?

RF detectors alert on the presence of RF emissions within their frequency range, which could include:

  • Wi-Fi signals (2.4 GHz, 5 GHz, 6 GHz)
  • Cellular communications (LTE, 5G)
  • Bluetooth transmissions
  • Zigbee or other IoT protocols
  • Proprietary wireless protocols or unintentional RF emissions

Depending on the device’s sensitivity and frequency coverage, even brief or low-power transmissions can activate its detection and logging functions.

What is the use of an RF detector?

RF detectors serve a range of security, operational, and compliance functions, including:

  • Threat Detection: Identifying unauthorized wireless devices that could indicate potential data exfiltration or espionage.
  • Policy Enforcement: Verifying compliance with wireless usage policies in sensitive areas (e.g., no-phone zones).
  • Spectrum Monitoring: Tracking usage across frequency bands to identify interference or inefficiencies.
  • Forensics and Response: Providing evidence for investigations into wireless security incidents.

How do RF detectors work?

RF detectors monitor the electromagnetic spectrum across specific frequency ranges and use antennas and signal processing components for:

  1. Scan for Emissions: Continuously monitor the RF environment to detect any signals in the monitored frequency range.
  2. Characterize Signals: Identify signal types, strength, duration, and patterns.
  3. Trigger Alerts or Logging: Flag transmissions that match predefined criteria (e.g., unauthorized protocols or channels).
  4. Support Localization: With multiple sensors, some systems can estimate the physical origin of RF emissions.

Advanced systems may also correlate RF activity with timestamps, device profiles, or other telemetry to support incident response and analytics.

What is RF detection in wireless systems?

RF detection in wireless systems refers to the capability of identifying and analyzing radio frequency emissions as part of wireless infrastructure or security architecture, which includes:

  • Detecting and classifying wireless protocols.
  • Recognizing behavioral anomalies in RF traffic.
  • Identifying signal sources that deviate from expected patterns or policies.

This functionality is integral to Wireless Intrusion Detection Systems (WIDS) and is used to secure environments from unauthorized or malicious wireless activity.

Can RF detection prevent wireless threats and data leaks?

Yes, when integrated into a broader security strategy, RF detection can help prevent wireless threats and data leaks by:

  • Identifying Rogue Devices: Detecting unauthorized access points, hotspots, or modems
  • Preventing Exfiltration: Alerting on RF transmissions used to bypass network protections
  • Monitoring for Policy Violations: Enforcing wireless usage restrictions in sensitive areas
  • Detecting Malicious Activity: Identifying unusual transmission patterns from devices linking trusted infrastructure

However, the effectiveness of prevention depends on detection coverage, response protocols, and integration with security operations.

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See how Bastille can transform your approach to wireless security.

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