3G GSM DCS Classroom Cell Phone Jammer with Powerful GPS Signal Blocking
This professional-grade phone signal jammer is designed for environments where mobile phone usage is prohibited. The device effectively isolates mobile communications without affecting other electronic equipment or human safety.
Key Features
- Effective jamming radius up to 25 meters
- Continuous operation for 5 hours
- Displays "No Service" on blocked devices - prevents incoming/outgoing calls
- Proven stability and cost-effective performance
- Heat sink casing ensures cool, stable operation
- Four-channel design with customizable frequency ranges
- Transmits noise signals to disrupt communication between cell phones and base stations
Supported Frequency Ranges
CDMA: 850-894MHz | GSM: 930-960MHz | DCS/PHS: 1805-1990MHz | 3G: 2110-2170MHz
This device only interferes with mobile system downlink frequencies and does not affect normal base station operations.
Applications
Examination rooms, classrooms, theaters, offices, meeting rooms, oil and gas facilities, hospitals, recording studios, banks, contract tendering rooms, churches, conference rooms, testing facilities, security services, military operations, secret services, libraries, museums, courts, border patrol, drug enforcement, customs, government buildings, mosques, and prisons.
Technical Specifications
| Output Port |
Frequency |
Average Output Power |
Output Power |
| CDMA800 |
851-894MHz |
33dBm |
2W |
| GSM900 |
925-960MHz |
33dBm |
2W |
| 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: 8 Watt
Power Supply: AC110-240V, DC 5V/8A
Power Consumption: 25 Watt
Weight: 1.5kg
Dimensions: 320(L)*270(W)*110(H) mm (excluding antenna)
Operating Temperature: -10°C to +55°C
Humidity: 5% - 95%
Jamming Range: 5-25 meters radius (dependent on local signal strength)
Package Contents
Four omni-directional antennas, power cable, remote control, fixed mount
Packaged in a durable safety box with protective PE foam interior for secure transport and storage.
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