Portable 5G 4G 3G 2G Signal Blocker with Built-in Battery and Cooling System for Security Use

The 12 Band Full Frequency Signal Jammer is a high-performance handheld device designed to block multiple communication signals including 2G, 3G, 4G, 5G, WiFi, GPS, VHF, and Lojack frequencies. With a powerful 60W output, this jammer provides effective signal blocking within a radius of 5-20 meters depending on the signal strength in the area.

Equipped with a built-in 7.4V/10000mAh battery, the device offers continuous operation for 45-60 minutes. The aluminum alloy radiator and built-in cooling fans ensure stable performance even during extended use. The compact design (395 x 140 x 90mm with antennas) makes it portable for various applications.

This professional-grade signal jammer features 12 independent frequency bands with output power ranging from 33dBm to 39dBm. Each band is clearly marked for easy identification and operation. The device comes with multiple power supply options including AC 110-240V and DC 12V car charger.

For security and privacy protection, this signal jammer is ideal for government agencies, military facilities, prisons, examination halls, and confidential meeting rooms. The device supports OEM customization for special frequency requirements and silkscreen services.

Before first use, please charge the battery for at least 10 hours. The charging indicator shows red during charging and turns green when complete. All antennas are pre-connected and ready for immediate use after powering on the device.