Trusted worldwide by law enforcement and professional TSCM teams. Unlike consumer bug detectors, the BH04 PRO delivers accurate RF detection with built-in event logging — so you never lose critical intelligence.
Why Professionals Choose the BH04 PRO
- Event logging built in — record threats and review spikes/anomalies after the sweep.
- Accurate, fast detection — identify signal types in real time with high-speed response.
- Portable & discreet — compact, lightweight, ready for deployment anywhere.
- Easy to learn — clean data display, intuitive controls, rapid onboarding.
- Trusted in the field — relied on by investigators, law enforcement, and security teams.
Event Logging in Action
Most RF detectors lose data the moment you leave a site. The BH04 PRO stores a full history of threats internally. This lets you spot recurring RF signals over time, compare activity across locations, and make evidence-based decisions during ongoing investigations.
Built for Modern Investigators
- Developed from real-world TSCM feedback
- Simple, effective data presentation — no bloated software
- Integrates with other counter-surveillance gear (hidden camera detectors, GPS finders)
Independent Training & Review
The BH04 PRO is one of the few professional TSCM tools with a full-length, independent training video available online.
Veteran Private Investigator John Morris, with over 30 years of experience and founder of several TSCM companies, reviewed the BH04 PRO on his channel The PI Guy. In a 40-minute demonstration, he shows the device in real investigations and highlights its strengths:
- Live event logging in action
- Step-by-step professional sweep demonstration
- Clear verdict: “This is the only tool you need for 90% of TSCM sweeps. The other 10% are rare, high-level targets — like if the KGB or IRS are after you — and those cases require much more advanced technology.”















