This lightweight portable cell phone signal jammer with lithium battery and 5 antennas effectively blocks both 4G LTE and 4G Wimax signals. The 2.5W Portable 3G Cell Phone Jammer & 4G Jammer (4G LTE + 4G Wimax) combines excellent design with powerful performance capabilities.

This multi-band device covers cellular frequencies including CDMA/GSM, DCS, 3G, 4G LTE, and 4G WIMAX. With high-power design, the jamming distance reaches up to 20 meters depending on local signal strength. The integrated cooling fan prevents overheating during operation, and the included car charger allows for convenient vehicle use.

Powered by a 4000mAh built-in battery that requires 4 hours for full charging and provides 1-2 hours of continuous operation.

• Power supply: 50 to 60Hz, AC 100 to 240V
• With AC adapter (DC12V), 4000mA/H Built-in Battery
• Total Output power: 2.5Watt
• Jamming distance: 1-20M depending on signal strength
• Weight: 650g
• Inner box dimension: 220x202x65mm
• Device dimension: 126x76x35mm (excluding antennas)
• 5pcs External Omni-directional Antennas
• Charge time: approximately 4 hours
• Working time: 1-2 hours
• Operating temperature: -10°C to +55°C

• Built-in Lithium Battery
• Approximately 2 hours operation after full charge
• Individual band ON/OFF control
• Includes car charger and power adapter
• High Gain Stout Antenna
• Blocks all mobile signals, 4G, WIFI, and GPS
• Internal Fan Cooling System

• Handheld Jammer Kit ×1pc
• Omni Antenna ×5pcs
• Car Charger ×1pc
• Power Adapter ×1pc

Ideal for use in cars, small meeting rooms, offices, secure locations, and similar environments.