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Adjustable Output Power Signal Jammer with 40 Meters Jamming Range and 4 Bands Coverage for Conference Rooms

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Adjustable Output Power Signal Jammer with 40 Meters Jamming Range and 4 Bands Coverage for Conference Rooms
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Features
Specifications
Total Output Power: 10 Watt
Power Supply: AC110-240V, DC 5V/8A
Power Consumption: 30 Watt
Operating Temperature: -10°C To +55°C
Humidity Range: 5% - 95%
Jamming Radius: 2-40 Meters
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Basic Infomation
Place of Origin: China
Brand Name: UND
Model Number: U-JB4A
Payment & Shipping Terms
Delivery Time: 5-8 days
Payment Terms: T/T
Supply Ability: 100
Product Description
Conference Room Adjustable Powerful Cell Phone Signal Jammer - Up to 40 Meters Range
This advanced desktop signal jammer features adjustable output power with exceptional jamming effectiveness. Engineered to disrupt 2G, 3G, 4G, and WiFi signals within a 40-meter radius, this high-performance device ensures complete communication isolation in sensitive environments.
Advanced Jamming Technology
The Signal Jammer U-JB4A incorporates four antennas supporting multiple frequency bands including GSM, DCS, WCDMA, PCS, WiFi, and GPS. Custom frequency configurations are available to meet specific operational requirements.
Key Features & Benefits
  • Advanced cooling system for optimal thermal management
  • Extended operational capability - 24 hours continuous use
  • Remote control operation for convenient activation/deactivation
  • High stability and exceptional cost-effectiveness
  • 10W output power for maximum jamming efficiency
  • Heat sink casing ensures stable performance in various conditions
  • Four-channel design with customizable frequency ranges
  • Transmits noise signals to disrupt all cellular communications
Intended Applications
Theatres Corporate Offices Meeting Rooms Oil & Gas Facilities Hospitals Recording Studios Banks Government Facilities Educational Institutions Security Services Military Operations Libraries Museums Courts Correctional Facilities
Operational Note: This device exclusively interferes with downlink frequencies of mobile systems, ensuring no disruption to base station operations while effectively blocking individual device communications.
Technical Specifications
Output Port Frequency Average Output Power Output Power
CDMA800 851-894MHz 35dBm 3W
GSM900 925-960MHz 35dBm 3W
DCS1800/PCS1900 1805-1880MHz/1930-1990MHz 33dBm 2W
3G 2110-2170MHz 33dBm 2W
GPS (Optional) 1570-1580MHz 33dBm 2W
WIFI (Optional) 2400-2500MHz 33dBm 2W
Total Output Power 10 Watt
Power Supply AC110-240V, DC 5V/8A
Power Consumption 30 Watt
Weight 3.0kg
Dimensions 210*170*50mm
Operating Temperature -10°C to +55°C
Humidity Range 5% - 95%
Jamming Radius 2-40 meters (dependent on local signal strength)
Included Accessories
Complete package includes four omni-directional antennas, power cable, remote control, and fixed mounting hardware. The device is securely packaged in a protective case with PE foam interior for safe transport and storage.
Antenna Specifications
Parameter Specification
Frequency Range Same as jammer channel
Impedance 50 Ohm
VSWR <1.5
Gain 2-3dBi
Polarization Vertical
Radiation Direction Omni-directional
Maximum Power 50 W
Connector SMA
Color Black
Adjustable Output Power Signal Jammer with 40 Meters Jamming Range and 4 Bands Coverage for Conference Rooms 0
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