Original price was: $999.00.$899.00Current price is: $899.00.
Most RF bug detectors stop where modern surveillance technology is just getting started. The KJB DD1240 Millimeter Wave Detector is an advanced professional-grade detection wand designed to locate high-frequency wireless threats operating up to 44GHz, including emerging 5G mmWave transmitters, microwave surveillance devices, hidden wireless cameras, and covert RF equipment that standard detectors may miss.
As wireless technology evolves, so do the tools used by those who want to hide. Traditional RF detectors commonly cover frequencies up to 6GHz or 12GHz, leaving higher-frequency millimeter-wave transmissions outside their detection range. The DD1240 closes that gap by adding ultra-high-frequency detection capability to professional TSCM (Technical Surveillance Counter-Measures) sweeps.
Whether you are securing executive meetings, inspecting outdoor areas, protecting sensitive locations, or performing advanced counter-surveillance searches, the DD1240 provides an affordable alternative to expensive spectrum analyzers while remaining simple enough for field use.
Modern surveillance devices are becoming smaller, smarter, and harder to find. Many professional detectors can identify traditional RF signals, but they may overlook newer high-frequency microwave and 5G mmWave transmissions.
The DD1240 solves the problem of blind spots in wireless detection by extending your search capability up to 44GHz, allowing security professionals to investigate threats that operate beyond conventional RF detector ranges.
This advanced detection wand helps locate:
✅ Hidden wireless microphones
✅ Covert wireless cameras
✅ 4G/5G surveillance transmitters
✅ Millimeter-wave communication devices
✅ Microwave-based transmitters
✅ Specialized covert RF equipment
Professional spectrum analyzers capable of high-frequency analysis can cost thousands of dollars and require extensive training. The DD1240 provides a practical field solution with intuitive controls and focused detection technology.
Instead of overwhelming users with complex data, the DD1240 provides easy-to-understand alerts that help operators quickly determine whether suspicious RF activity is present and move toward the source.
Millimeter-wave signals behave differently from traditional RF transmissions. They are often used for short-range communication and have limited ability to pass through walls, making them especially relevant in:
The DD1240 gives security professionals another layer of protection when searching environments where conventional RF detectors may not provide complete coverage.
Expand your RF detection capability beyond standard bug detectors and identify high-frequency transmitters operating in microwave and millimeter-wave ranges.
Choose the detection style that fits your environment:
Silent Mode
Alarm Mode
Sound Mode
The DD1240 provides two measurement methods:
Modulation Level
RF Level
The built-in antenna provides approximately a 30° directional detection pattern, helping users narrow down the location of suspicious transmissions.
Built with a durable duralumin housing, the DD1240 is designed for field inspections while remaining lightweight and portable.
Expand your sweep capabilities beyond traditional RF detectors and add millimeter-wave detection to your toolkit.
Protect sensitive meetings, executive areas, and confidential environments from unauthorized wireless monitoring.
Detect potential wireless threats during travel, public appearances, and outdoor events.
Add advanced detection capability for clients concerned about modern surveillance technology.
Frequency Range: Up to 44GHzDetection Type: Millimeter-wave / microwave RF detection
Operating Modes: Silent, Alarm, Sound
Antenna: Built-in directional antenna (30° pattern)
Power Source: One AA battery (LR06)
Battery Life: Approximately 10–20 hours
Housing: Duralumin metal enclosure
Wireless threats continue to evolve, and your detection equipment should evolve with them. The KJB DD1240 44GHz Millimeter Wave Detector gives security professionals the ability to search beyond conventional RF ranges and uncover high-frequency wireless devices that may otherwise remain invisible.
Order today and take your RF detection capability into the next generation.
1. What is the KJB DD1240 designed to detect?
The DD1240 is designed to detect high-frequency RF transmissions including millimeter-wave signals, microwave transmitters, 5G mmWave devices, and other covert wireless surveillance equipment.
2. How is the DD1240 different from a standard RF detector?
Most RF detectors operate up to 6GHz or 12GHz. The DD1240 extends detection capability up to 44GHz to identify higher-frequency threats that traditional detectors may miss.
3. Can the DD1240 detect 5G signals?
Yes. The DD1240 is designed to detect high-frequency 5G millimeter-wave transmissions that operate beyond the range of many standard RF detectors.
4. Can this detector find hidden cameras?
Yes, if the hidden camera uses a wireless transmitter operating within the detector’s frequency range.
5. Is the DD1240 a spectrum analyzer?
No. The DD1240 is a dedicated RF detection tool designed for fast field detection and localization. It provides a simpler and more affordable alternative to complex spectrum analyzers.
6. Why are millimeter-wave detectors important?
As wireless technology advances, some devices operate at higher frequencies. Millimeter-wave detection helps reduce blind spots during professional counter-surveillance inspections.
7. Can the DD1240 detect signals through walls?
Millimeter-wave signals typically have limited penetration through structures. The DD1240 is especially useful for outdoor environments and open areas.
8. How far away can the DD1240 detect a transmitter?
Detection distance depends on transmitter power, frequency, environment, and interference levels.
9. Does the DD1240 detect all wireless devices?
No detector can identify every possible device. The DD1240 specializes in high-frequency signals up to 44GHz and is designed to complement traditional RF detection equipment.
10. Who should use the DD1240?
The DD1240 is ideal for TSCM professionals, security specialists, executive
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