30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls
This full spectrum 12-channel signal jammer effectively blocks cheating signals with adjustable power per channel. Designed for DC 12V power supply, it features a professional cooling system with four mute fans for stable long-term operation in high-temperature environments.
- Advanced cooling system with internal cooling fans
- Individual band adjustment and control without affecting other bands
- 24-hour continuous operation capability
- Exceptional stability and reliability
- Direct vehicle compatibility with car charger (optional)
- 12-antenna design for comprehensive signal jamming
- Covers 2G, 3G, 4G mobile signals, VHF/UHF walkie-talkies, WiFi, GPS, LOJACK, and remote control bands (433MHz, 315MHz)
- Total output power: 25-30W with jamming range up to 50m (10m for VHF/UHF)
- External omni-directional antennas for enhanced coverage
- Transmit frequency covers downlink only
- ODM and OEM support with customizable band selection
| 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 | 1570-1580MHz | 32dBm | 2W |
| WIFI | 2400-2500MHz | 32dBm | 2W |
| 4G LTE 800 | 791-821MHz | 35dBm | 3W |
| 4G LTE700 (Optional) | 725-770MHz | 35dBm | 3W |
| 4G LTE2600 | 2620-2690MHz | 33dBm | 2W |
| 4G LTE 2300 (Optional) | 2300-2400MHz | 33dBm | 2W |
| VHF | 135-174MHz | 33dBm | 2W |
| UHF | 400-470MHz | 33dBm | 2W |
| LOJACK | 170MHz-175MHz | 33dBm | 2W |
| RF | 433MHz | 33dBm | 2W |
| RF (Optional) | 315MHz | 33dBm | 2W |
Total Output Power: 25-30 Watt
Power Supply: AC110-240V, DC 12V
Power Consumption: 90 Watt
Weight: 6.0kg
Size: 330*238*60mm
Running Temperature: -10℃ to +55℃
Humidity: 5% - 95%
Jamming Range (Radius): 5-50 meters (dependent on local signal strength)
- Do not power on before connecting all antennas. Never remove antennas during operation.
- Install in well-ventilated areas. Avoid large obstructions for optimal shielding effect.
- Take waterproofing precautions when using outdoors.
- Always position antennas vertically to the ground.
- For vehicle use, ensure the car output adapter is DC12V compatible.
- 1 x Mobile Signal Jammer Master Unit
- 1 x English User Manual (digital version available via email)
- AC Power Charger (region-specific standard)
- Mounting Screws
- Band Specific Antennas x 12
- 1 x Car Charger
Primary Applications: Meeting rooms, conference rooms, museums, galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, buses.
Special Note: For sensitive locations like hospitals and gas stations, conduct field testing first to ensure no interference with normal equipment operation.
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