Portable 3G 4G Signal Jammer 12PCS 2dBi Antennas Built-In Battery 7.4V/10000mAh

This high-power 12-channel handheld mobile signal jammer covers 2G/3G/4G full-band with Wi-Fi/GPS/LOJACK signal capabilities. Designed for portability and flexibility, it features a built-in large capacity battery. Ideal for Public Security, Bomb Squad, S.W.A.T, security forces, anti-terrorist units, border control units, checkpoints, and personal use.

Suitable for meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, buses, and other locations requiring silence, confidentiality, and information security.

For special locations such as hospitals and gas stations, please conduct field testing first to ensure no interference with normal equipment and instrument operation.

• 8.4 watt high output power with high gain antennas
• Jamming range: 2 to 20 meters (at -75dBm, depends on signal strength in given area)
• Advanced cooling system with cooling fans and larger heat sink
• DIP switch allows individual band control without affecting other bands
• Car charger compatible for direct vehicle use
• 12V DC/AC power supply available
• Built-in larger battery provides over 120 minutes of continuous operation
• Rechargeable battery system
• OEM & ODM services available
• Customizable frequencies

Additional Specifications:

• Power Supply: Adapter 50 to 60Hz AC (110-240V AC/12V DC)
• Car Charger: DC12V IN
• Dimensions: 165×96×46mm (excluding antenna)
• Antenna Length: 166mm
• Gain: 2.0dBi
• Packing Size: 25×24×8cm
• Net Weight: 1.5kg
• Gross Weight: 2.0kg
• Total Power: 8.4W
• Shielding Radius: 2-20 meters at -75dBm (depends on signal strength)
• Built-in Battery: 7.4V/10000mAh
• Continuous Operation: Over 2 hours
• Warranty: One year from delivery date

1. Charge battery for at least 8 hours before first use
2. Turn off power switch before charging
3. Charging indicator lights RED during charging, turns GREEN when complete
4. Install antennas and tighten according to number indicators
5. Turn on power switch - Power LED lights Green and each band LED turns on (default)
6. Use DIP switch to disable individual bands (ON→OFF)
7. Corresponding LED indicator turns off when band is disabled
8. Do not use while charging to prevent damage from high temperatures (up to 75°C)

• Main unit jammer × 1pc
• Power adapter × 1pc
• Car charger × 1pc
• Omni antenna × 12pcs
• Nylon cover × 1pc