This 5 Bands 75w Wireless Indoor Cell Phone Signal Jammer with Omni Glass Antennas is engineered for continuous operation in secure environments. Built as a prison-grade jammer, it features a robust metal enclosure and advanced cooling system for 24/7 reliability.

• Specialized prison-grade metal enclosure design
• 75w high power blocker with unlimited continuous operation
• Advanced heat sink design with integrated cooling fans
• Secure anti-sabotage construction
• Optional directional or omni-directional antennas
• User-adjustable frequency ranges
• High efficiency output power with extended jamming radius
• Comprehensive self-protection systems
• Overheat protection with thermal protector
• Jams up to 5 different frequency bands simultaneously
• VSWR circuit protection against antenna issues
• Customizable frequency options available

• Power Supply: AC220V, DC 28V
• Total Output Power: 75 Watt
• Power Consumption: 300 Watt
• Weight: 10 Kg
• Dimensions: 45 × 30 × 25 cm
• Humidity: 30%-95%
• Operating Temperature: -20℃ to +55℃
• Jammer Modules: 5
• Cooling System: Systematic Smart Cooling System
• System Protection: VSWR
• Jamming Source: Frequency Scan Technology
• Antenna Type: Omni antennas or High Gain Directional Panel Antennas
• Jumper: 7D-FB superflexible coaxial cable
• Jamming Range: 20-100m (depending on mobile network signal density)

• Prisons and correctional facilities
• Government compounds and secure locations
• Oil and gas storage facilities
• Security services and units
• Intelligence and secret services
• Museums and cultural heritage sites
• Border patrol and enforcement
• Customs and border control

• 1 × Mobile Signal Jammer Master Unit
• 1 × English User Manual (digital version available via email)
• Mounting Screws
• 5 × Omni Glass Antennas