Illegal Transmission Detection
Built for telecom regulators, mobile network operators (MNOs), and private network operators (PNOs), SXM’s Illegal Transmission Detection autonomously identifies all active transmitters and cross-references them against known licensed operators and registered frequencies, flagging fake base stations, IMSI catchers, and rogue femtocells that mimic legitimate 3GPP infrastructure. It captures detailed signal parameters – PCI, TAC, and NodeB ID – to distinguish unauthorized transmitters from legitimate infrastructure, and creates time-stamped logs of unauthorized activity to support investigation and enforcement. Regulators use it to build documented enforcement cases against unauthorized spectrum use, MNOs use it to detect rogue base stations impersonating their network, and PNOs use it to identify unauthorized transmissions threatening their private network coverage.
The challenge
- Unauthorized transmitters – including fake BTS, IMSI catchers, and rogue femtocells – are difficult to detect without dedicated RF monitoring
- Illegal transmissions exploit licensed bands without appearing in regulatory databases
- Fake base stations mimic legitimate 3GPP parameters to intercept communications – a national security threat
- Detecting rogue devices requires distinguishing unauthorized signals from legitimate ones at the channel level
- Enforcement action requires documented evidence of the signal’s frequency, timing, and location
How SXM helps
- Autonomously identifies all active transmitters and cross-references them against known licensed operators and registered frequencies
- Detects Illegal BTS, 3GPP based Jammers and Phishing attacks by identifying signals that mimic 3GPP parameters but lack authorized operator identifiers
- Captures detailed signal parameters – PCI, TAC, nodeB ID – to differentiate rogue transmitters from legitimate infrastructure
- Sends real-time notifications when unregistered or anomalous transmitters are detected
- Creates time-stamped logs of unauthorized activity to support investigation and enforcement
Who it’s for
Regulators
Identify and document illegal RF transmissions to build enforcement cases and protect licensed spectrum from unauthorized use.
MNOs
Detect rogue base stations impersonating your network – protecting subscriber security and spectrum integrity.
PNOs
Identify unauthorized transmissions inside or adjacent to your private network coverage area that may indicate security threats.
Key Industry Takeaways For Illegal Transmission Detection
For Regulators
and Policymakers
• Improved interference detection
• Enhanced cross-border coordination
• Regulatory compliance & enforcement support
For Mobile Network Operators (MNOs)
• Improved interference management
• Service quality improvement
For Private Network Operators (PNOs)
• Improved reliability
• Efficient resource allocation
• Enhanced network performance/quality
• Enhanced network security
• Unauthorized signal identification
Safeguarding Networks from Unauthorized Use
The scale and autonomy of SXM’s detection capabilities have made it the platform of choice for national regulators tackling unauthorized transmissions. “This deployment marks a major leap forward in how we safeguard spectrum integrity,” said Eng. Bassam Alsarhan, Chairman of the Board and CEO of the Telecommunications Regulatory Commission of Jordan, following TRC’s nationwide SXM deployment in June 2025. In Canada, ISED uses SXM to continuously scan for transmissions that do not match operator-submitted license records – autonomously flagging unauthorized or misreported activity across the country without requiring manual field investigations.

Enhanced Network Security
Detect and mitigate unauthorized transmissions to protect network integrity and prevent service disruptions. We can quickly identify and address unauthorized use of radio frequency (RF) signals.

Regulatory Compliance
Ensure adherence to spectrum regulations by identifying and addressing non-compliant transmissions, avoiding fines and legal actions. This includes monitoring for correct frequency and band usage.

Improved Service Quality
Reduce interference caused by illegal transmissions, resulting in improved Quality of Service (QoS) for legitimate users. Ensuring proper signal strength and minimizing interference helps maintain high service quality.

Cost
Savings
Avoid fines by adhering to regulations and lower operational costs by addressing network issues caused by illegal transmissions early on.

Informed Decision-Making
Gain valuable insights into transmission patterns and potential security threats, supporting and enabling proactive network management and planning. Understanding the impact of illegal transmissions on service quality helps in making strategic decisions on existing and future network deployments.
Solving Key Problems
Characterize, optimize & protect vital RF networks with real-time actionable insights.

Unauthorized Use
Unauthorized users can hijack spectrum resources, causing interference and degrading network performance. SXM helps detect these illegal transmissions in real-time, protecting the integrity of communication systems.
Regulatory Non-Compliance
Non-compliant transmissions can lead to significant legal and financial penalties. SXM ensures continuous monitoring and compliance with spectrum regulations, including proper use of antennas and propagation techniques.
Interference and Service Disruption
Illegal transmissions can cause harmful interference leading to service disruptions and customer dissatisfaction. SXM provides tools to identify and mitigate these issues promptly, ensuring optimal service recovery.
Lack of Visibility
Without proper monitoring, it is challenging to detect and address illegal transmissions. SXM offers comprehensive visibility into spectrum use, enabling timely detection and response. This includes monitoring unauthorized broadcasting and misuse of transmission towers.
Illegal Transmission Detection

Regulators and
Policymakers
Regulators play a critical role in maintaining spectrum integrity and ensuring fair and lawful use of licensed bands. SXM provides regulators with continuous automated monitoring to detect unauthorized transmissions, enforce compliance, coordinate cross-border illegal transmission cases, and respond rapidly when illegal spectrum use is suspected.
Continuous Monitoring
Real-time monitoring of spectrum use helps regulators detect unauthorized transmissions and take immediate action, ensuring proper use of radio spectrum.
Regulatory Enforcement
SXM assists regulators in ensuring compliance with spectrum laws by providing essential data on spectrum usage, including correct transmission frequency and bandwidth utilization.
Cross-Border Coordination
Facilitate cooperation with international regulatory bodies to manage and mitigate cross-border illegal transmissions, ensuring secure communication across borders. When Regulators are called into situation requiring potential illegal transmissions impacting existing Wireless services, SXM enables fast detection of the wireless environment, to quickly detect illegal use of the wireless spectrum.

Mobile Network Operators (MNOs)
MNOs need to protect their networks from unauthorized use to maintain high service quality and regulatory compliance across complex, multi-band environments. SXM provides real-time detection of illegal transmissions that enables MNOs to eliminate interference sources quickly, protect network infrastructure from spoofing and denial-of-service threats, and maintain continuous regulatory compliance.
Real-Time Detection
Continuous monitoring helps MNOs find and fix illegal transmissions quickly, reducing the impact on network performance.
Enhanced Security
By identifying unauthorized transmissions, MNOs can enhance network security and protect their infrastructure from potential threats such as denial of service or spoofing attacks.
Improved QoS
Preventing illegal transmissions improves service quality, leading to higher customer satisfaction through clearer and reliable signals.
Regulatory Compliance
Ensure adherence to licensing requirements and avoid penalties by maintaining continuous compliance with spectrum regulations, including monitoring transmission power and coverage area.

Private Network Operators (PNOs)
PNOs require robust measures to protect their networks from unauthorized use and ensure uninterrupted operational continuity across enterprise, industrial, and mission-critical environments. SXM delivers real-time detection and mitigation of illegal transmissions, enabling PNOs to secure their spectrum resources, maintain compliance, and protect critical business functions from disruption.
Secure Operations
Detect and mitigate unauthorized transmissions to ensure the security and reliability.
Compliance Assurance
Continuous monitoring and real-time alerts help PNOs remain compliant with all licensing and regulatory requirements.
Operational Efficiency
Preventing illegal transmissions allows PNOs to optimize their spectrum use and maintain efficient network operations.
Business Continuity
Proactively detecting and mitigating illegal transmissions ensure uninterrupted operations and protects critical business functions.
Why Rely on SXM Spectrum eXperience Management for Illegal Transmission Detection?
Illegal Transmission Detection with SXM by thinkRF provides organizations with the complete solution and insights needed to safeguard their networks from unauthorized transmitter use. By ensuring continuous monitoring, real-time detection, and effective mitigation, SXM helps regulators, MNOs, and PNOs maintain secure, compliant, and high-performing networks.
Regulatory & Standards References
Frequently Asked Questions
Explore how SXM is transforming the way telecom regulators, mobile operators, and private network operators monitor and manage spectrum with real-time actionable network insights.
Ready to identify and address illegal transmissions to protect your network?
thinkRF SXM is a proven spectrum monitoring solution helping organizations adhere to safeguard their networks from unauthorized use.

