USJ Systems
USJ-02/III - Accu 20-25 kHz
Powerful ultrasonic jammer with built-in battery for 360° horizontal coverage.
Key features:
- 3-hour Li-Ion battery
- 360° horizontal coverage
- 20-25 kHz frequency
- Blocks phones, recorders, GSM
- Compact portable design
- Instant activation
- LED status indication
Technical parameters:
- frequency:
- 20-25 kHz
- power:
- High performance
- coverage:
- 360° horizontal, ~50° vertical
- battery:
- Li-Ion, 3 hours operation
- dimensions:
- Compact size
- weight:
- Lightweight construction
- installation:
- Portable, no installation
Product description
USJ-02/III represents the latest generation of portable ultrasonic jammers with advanced Li-Ion battery. The device provides complete protection against audio surveillance using high-frequency ultrasonic signal in the 20-25 kHz range.
Thanks to 360° horizontal coverage and ~50° vertical beam, it ensures effective protection of the entire room. The built-in Li-Ion battery allows up to 3 hours of continuous operation, making it an ideal solution for mobile deployment.
The device is designed for professional use in meeting rooms, executive offices, law firms and other environments requiring protection of confidential information.
Video demonstrations
USJ-02/III - Accu 20-25 kHz - Demo
Functionality demonstration
Detailed technical data
| frequency | 20-25 kHz ultrasonic signal |
| power Consumption | Low consumption for long operation |
| dimensions | Compact portable design |
| weight | Optimized weight for mobility |
| operating Temperature | 0°C to +40°C |
| installation Type | Portable device |
Applications
- Meeting rooms
- Executive offices
- Law firms
- Government buildings
- Diplomatic missions
- Boardrooms
- Conference halls
Installation
Difficulty:Very easy
Time:Immediately
Requirements:
- • Portable device
- • No installation required
Certifications
- CE certification
- EMC compatibility
- RoHS compliance
- Health certification