8 Channels Desktop Cell Phone Jammer with 40m Range and 365 Days Working for Prisons and Schools

Professional 8-channel desktop cell phone jammer designed for continuous operation with an effective range of up to 40 meters. Ideal for prison security and other high-security applications requiring reliable signal blocking.

• Advanced cooling system with internal cooling fan
• Individual band control - adjust or disable single bands without affecting others
• Continuous 365-day operation capability
• Stable and reliable performance
• Vehicle-compatible with optional car charger

• 8-Band Jammer: Comprehensive coverage for 2G, 3G, 4G mobile signals, VHF/UHF walkie-talkies, WiFi, and GPS
• Powerful Output: 19W total output power with jamming range up to 40m (10m for VHF/UHF)
• Enhanced Antennas: External omni-directional antennas for superior coverage
• Thermal Management: Built-in cooling fan for optimal temperature control
• Vehicle Operation: Compatible with DC12V car charger for mobile use
• Customization: ODM and OEM orders welcome with flexible band selection options

• Total Output Power: 19 Watt
• Power Supply: AC110-240V, DC 12V
• Power Consumption: 75 Watt
• Weight: 4.0kg
• Size: 370*140*51mm
• Operating Temperature: -10℃ to +55℃
• Humidity: 5% - 95%
• Jamming Range: 5-50 meters radius (dependent on local signal strength)

• Meeting rooms, conference rooms, museums, galleries, theaters, concert halls
• Churches, temples, restaurants, classrooms, training centers
• Factories, banks, trains, buses, and other public venues

• 1 x Mobile Phone Signal Jammer Master Unit
• 1 x English User Manual (digital version available via email)
• AC Power Charger (region-specific)
• Mounting Screws
• Band Specific Antennas x 8
• 1 x Car Charger