Portable 8 Channels 3G 4G Signal Jammer with 4W Output Power and 20m Jamming Range

This latest multi-functional portable 8-band selectable blocker effectively jams Wi-Fi 2.4G, GPS L1 signals, and GSM 2G, 3G, 4G LTE, Wimax cellular frequencies worldwide. Featuring built-in battery and cooling fan, this handheld signal blocker offers powerful performance with easy operation.

• High output power, total up to: 4W
• External omnidirectional antennas covering all TX frequencies (downlink only)
• Compatible with car charger 12V DC for vehicle use
• Built-in efficient cooling system
• DIP switch allows individual band control without affecting other bands

• 8-antenna portable jammer with effective jamming for all mobile phone 2G, 3G, 4G signals, Wi-Fi 2.4G, and GPS L1 bands
• Total output power: 4W with jamming range up to 20 meters
• External omnidirectional antennas covering TX frequencies (downlink only)
• Advanced design with integrated cooling fan
• Car charging capability with DC12V
• Individual band control without interference to other bands
• Built-in 4600mAh battery: 4-hour charge time, 90-minute working time
• ODM and OEM orders welcome with customizable band selection including GPS L2-L5, 433MHz, 315MHz, etc.

• Jamming range (radius): 1-20m (dependent on local signal intensity)
• Power supply: 50 to 60Hz, AC 100 to 240V with AC adapter
• Weight: 950g
• Dimensions: 132x80x40mm (excluding antennas)
• Inner box dimension: 220x202x65mm
• Output power: 4W with 8 external omni antennas
• Charge time: approximately 4 hours
• Working time: 1-2 hours
• Operating temperature: -10 to +55°C

• 1 piece portable signal jammer
• 1 piece AC adapter
• 1 piece car charger
• 8 omnidirectional antennas

Meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, buses, and specialized locations including hospitals, gas stations, and military/authority facilities.