20 Watt Power GPS Signal Jammer with Adjustable Jamming Range and 4 Bands Coverage

The U-JB20 Power GPS Signal Jammer is a high-performance 20-watt desktop unit designed to effectively block wireless communication signals in controlled environments. With an adjustable jamming range of 20 to 70 meters, this device prevents unauthorized cellular and wireless communication during examinations, meetings, and secure operations.

• Advanced cooling system for optimal performance
• 24-hour continuous operation capability
• Adjustable jamming range up to 70 meters
• Stable performance with cost-effective operation
• 20-watt output power for efficient signal blocking
• Heat sink casing ensures stable, cool operation
• Four-channel frequency coverage: GSM, DCS, WCDMA, PCS
• Customizable for additional frequencies including Walkie Talkie, GPS, GLONASS, WiFi, and LTE 4G
• Transmits noise signal to disrupt communication, displaying "No Service" on target devices

• Examination halls and classrooms
• Corporate offices and meeting rooms
• Government and military facilities
• Security services and law enforcement
• Hospitals and healthcare facilities
• Financial institutions and banks
• Cultural venues: theatres, libraries, museums
• Secure facilities: prisons, border patrol, customs
• Industrial sites: oil and gas facilities, recording studios